Archives: Case Studies

Our clients, one of India’s oldest, largest, and most-loved menswear brands, have a plant in Madhya Pradesh where they manufacture fabrics, apparel, polyester wool, viscose, and furnishings.

They were facing several issues with the functioning of the effluent treatment plant (ETP) here.

The effluent was filled with colour from the dyes used in fabric manufacture which they were unable to clean.

COD levels in the effluent was well above Central Pollution Control Board (CPCB) norms.

Oil and grease levels in the effluent were quite high as well. It was in this situation that their wastewater engineers approached us for a solution.

We started delving into the issues and discovered that all products and ingredients used in the plant were organic.

But they were using domestic sewage in the aeration tank as a nutrient source, and the bio-culture in their ETP wasn’t doing an effective job at wastewater treatment.

After discussions to understand their existing treatment plant, all their issues, and their expected outcomes, our technical team advised them to start microbial treatment using CleanMaxx, the complete, economical biotech solution.

CleanMaxx is a research-backed revolution in wastewater treatment.

A proven consortium of 76-90 different strains of microbes, CleanMaxx is tailor-made for optimum impact in wastewater treatment plants.

With a completely natural formula, the microbes in CleanMaxx are safe for all applications, with the ability to break down complex organic molecules through diverse catabolic pathways.

The microbes act on dyes in the effluent and decolourize the wastewater in a super quick time, too.

With CleanMaxx’s proven abilities when it comes to COD reduction and FOG management, it was the ideal solution for all of our clients’ woes.

And results with CleanMaxx here, too, were unsurprisingly spectacular and immediate.

The bioculture our clients had been using till then was able to reduce COD by 56%. After the addition of CleanMaxx, though, within 2 months, COD levels were reduced by 90%.

The concentration of oil and grease in the effluent was reduced, too. And in dramatic proportions.

Before starting the CleanMaxx treatment, the oil and grease concentration in the effluent was at 50 ppm.

However, CleanMaxx has specialized strains specially designed to consume oil and grease and reduce the oil and grease concentration in our client’s ETP to 5- 7 ppm.

Color, too, was gradually removed from the dye-laden effluent, and the wastewater was totally decolourized by the end of the treatment.

Contact us now if you would like to experience the benefits of CleanMaxx at your wastewater treatment plant.

Available in a concentrated microbial formulation, CleanMaxx is the TLC your wastewater treatment plant needs.

• Also read: What is biological wastewater treatment, and how effective is it?

Our client, one of the world’s foremost manufacturers of agricultural chemicals, pesticides, fungicides, and intermediates, was dealing with multiple issues at their effluent treatment plant (ETP) in Gujarat.

They had been using cow dung in their ETP for the treatment of effluents.

As is often the case, though, cow dung was proving ineffective.

Microbes present in cow dung are not equipped to manage the stresses of an industrial ETP, and high COD/BOD, toxic shock loads, and high TDS were hindering the efficient functioning of our client’s ETP.

The major concerns they asked for our help in resolving were ineffective reduction of COD and high TDS.

After a thorough analysis of the problems, our team decided on bioaugmentation of the biological system.

It was time for our star, CleanMaxx, to make an entrance.

CleanMaxx is our research-backed, proven consortium of 76-90 different strains of microbes that help in the effective reduction of wastewater parameters.

Isolated from soil, these microbes secrete enzymes that are natural and safe.

The results we got with CleanMaxx were immediate and spectacular.

The effluent generated at the ETP contained very high proportions of Total Dissolved Solids (TDS).

The microbes present in cow dung could not survive at this high range of TDS, resulting in ineffective treatment of the effluent.

After using CleanMaxx, a significant reduction in COD was observed within a month, and the microbes present in CleanMaxx could easily handle and survive in the high TDS of the effluent and carry out biodegradation effectively.

Here is what our clients had to say about our treatment plan.

“We have been using CleanMaxx in our Effluent Treatment Plant for the past 2 years, and it has helped in improving the performance of bioreactors. Your product has helped in the quick stabilization of our plant and restores it quickly to any plant upsets. It has helped us to be compliant with our effluent discharge standards.”

With CleanMaxx, the desired parameters were achieved at the end of the project, the ETP was stabilized, and the efficiency of the plant was improved to the desired levels.

Most packaged food we consume nowadays is processed at factories around the world. And these factories generate a lot of wastewater in processing this food.

And treating the effluents in this wastewater generally demands a large input of chemicals. The sustainable solution is for food processing plants to use biosolutions for wastewater treatment.

Not only are they more effective, but biosolutions also reduce the environmental impact of wastewater treatment.

Our clients – one of India’s most renowned confectionery and edible oil manufacturers – were in a similar boat.

Traditional wastewater treatment solutions at their plant in Maharashtra were resulting in high levels of COD.

Excessive foaming in the aeration tank and high concentration of oil and grease were other concerns highlighted by their wastewater treatment team when they approached us for a solution.

After a detailed analysis of the issues and a review of the effluent treatment plant, we decided on a bioaugmentation treatment plan starring CleanMaxx.

CleanMaxx is our revolutionary wastewater treatment solution that has proven itself several times over the past 15 years.

A tailormade, heterogeneous consortium of up to 76 strains, CleanMaxx adapts well to all conditions and is specially designed for optimum waste degradation in wastewater treatment plants.

And while our clients were using a bio-culture in their aeration tank already, with CleanMaxx, the difference was immediately visible.

With CleanMaxx, we reduced the COD by 85%, an improvement of 30% over the existing treatment in just the seeding phase. The COD levels were further reduced to meet discharge limits by the tertiary system.

CleanMaxx worked wonders on the secondary concerns, too. In biological systems, there are several factors contributing to foaming.

In this plant, we observed the main cause to be filamentous bacteria in the aeration tank. High MLSS levels – 5000-5500 ppm and excess biomass resulted in a substantial amount of Dissolved Oxygen (DO) being consumed.

Things changed with the introduction of CleanMaxx. The microbes from CleanMaxx successfully eliminated undesirable microbes from the system, bringing the MLSS level down to 2000-2500 ppm.

The DO consumption is also reduced because our bioculture can grow and optimally perform even in low DO levels, helping maintain an optimum DO level of 1.5.

Effluent from food processing is generally laden with a high proportion of oil. Additionally, our client’s plant also has an edible oil processing unit, adding extra oil and grease to the effluent.

Oil and grease are both tough to biodegrade and also form a thin layer on the surface, limiting oxygen diffusion into water.

Before CleanMaxx, oil and grease concentration in the effluent was in the range of 200-250 ppm with only 45% reduction. After CleanMaxx, the treated effluent saw a 92% reduction in oil and grease concentration.

Our clients were thrilled with the results, and their plant is now fully stabilized and working at its peak efficiency.

• Also read: What is biological wastewater treatment, and how effective is it?

An industrial wastewater treatment plant in beautiful Abony, in Hungary, had a problem, well, several problems, with their plant.

The plant had sludge build-up, high levels of COD, TP, NH4-N, and TN, and was consuming a lot of power.

Challenges

Our experts studied the data from the plant, discussed the challenges with the team, and established the following goals:

• Improve the activated sludge’s treatment capacity.
• Improve sludge resistance against shock loads and reduce excess sludge formation.
• Reduce the oscillation and overall concentration of the effluent parameters (NH4-N, TN, COD, BOD).

Treatment

Our experts reviewed the data and goals and recommended Bioclean.

Bioclean is our custom-made superhero.

A heterogeneous consortium of multiple strains, ensuring it adapts well to capricious conditions in an industrial wastewater treatment plant, Bioclean is specially designed to perform degradation of harmful organic pollutants in wastewater treatment plants.

The microbes in Bioclean can sustain high TDS (Total Dissolved Solids) levels under variable shock loads and reduce high COD/BOD levels.

Bioclean is also extremely energy efficient, resulting in energy savings and reduced CAPEX/OPEX costs at the plant.

We initially applied Bioclean in a shock dose of 10 kg/day in the first week and subsequently reduced to 1 kg/day in 11 weeks and have maintained this dosage since.

Results

The average quantity of the dewatered sludge was 238 m3/month before the biotechnological optimisation.

This quantity considerably decreased during the treatment, coming down to an average amount of 149 m3/month.

A primary clarifier reduces the levels of suspended solids through primary wastewater treatment, and flocculants are generally added to cluster the suspended solids together so they can be separated easily.

However, this plant has no primary clarifier.

Yet, our Bioclean was able to do the job efficiently, and the degradation of organic particles added to the decrease in the quantity of excess sludge.

The most important goal was to reduce excess sludge, which was addressed efficiently by degradation.

An additional benefit was a drastic reduction in transport costs.

The oxygen in the treatment system was also utilized productively, thereby decreasing dissolved oxygen levels from 1.8 mg/L to 1.0 mg/L and reducing energy consumption levels efficiently by 5%.

The average quantity of the dewatered sludge was 238 m3/month before the biotechnological optimisation.

This quantity considerably decreased during the treatment, so since the startup phase, the average amount has been 149 m3/month.

The quality of the effluent water also improved as a result of efficient organic breakdown and stable nitrification, and the fluctuation of the parameters has been moderated.

The operation of the secondary clarifier was stabilised by the improvement of the floc structure, which also reduced the suspended solids content of the effluent water.

All in all, an excellent result all round performance, as we witness with Bioclean every single time.

Our clients were equally appreciative of the results we delivered with Bioclean, which helped them resolve all issues and reduce operational costs.

Learn more about Bioclean and our microbial solutions for industrial wastewater treatment.

Also Read –

• Green Wastewater Treatment That Treats all Colours Equally
• https://organicabiotech.com/fundamentals-of-biological-wastewater-treatment/
• https://organicabiotech.com/why-innovative-wastewater-treatment-solutions-are-urgently-needed-in-india/
• https://organicabiotech.com/mitigating-antibiotic-resistance-efficient-wastewater-treatment/
• https://organicabiotech.com/how-microbes-improve-aerobic-wastewater-treatment-efficiency/

Yes, paper is a plant-based product, but manufacturing paper does involve chopping down trees.

And paper production is generally not environmentally friendly.

A third of all wood processed globally actually goes into paper and pulp production.

The actual paper manufacturing process uses large amounts of water and energy.

To top it all up, paper production generates a lot of highly contaminated effluents.

And when you have inefficient effluent treatment, that can have severe repercussions on the neighbouring environment of any paper manufacturing unit.

Our client runs a paper manufacturing factory in Ambivli, Maharashtra.

And they were facing multiple challenges with their effluent treatment plant.

COD/BOD reduction was inefficient. MLSS levels were unstable.

And they were constantly falling short of outlet parameters prescribed by the Pollution Control Board (PCB) of India.

It was in this scenario that they approached us for a solution.

We began with an analysis of their effluent treatment plant.

The effluent initially passes through a screen chamber for fine screen filtration and removal of pulp particles.

This water is then passed on to a KROFTA supercell unit, which reduces the suspended solids from 800 ppm to less than 50 ppm.

This effluent is then processed equally in two aeration tanks of 630 m3 each for biological treatment.

Aeration is provided with the help of diffused aerators, and DO in the range of 1.5 – 1.8 ppm is maintained within the tank.

After biological treatment, the effluent is passed to a secondary clarifier, where some sludge is recirculated, and excess sludge is drained off.

The effluent is then sent to the dual filter media consisting of activated carbon and sand filters for tertiary treatment.

We performed a BioSure study on the raw effluent sample to carry out a treatability study.

After the study, our team recommended treatment with CleanMaxx.

We started bio-augmentation and continued it for two months.

The results were spectacular.

MLSS in both aeration tanks was low, between 750-900 mg/l, before treatment.

We started observing gradual improvement in MLSS within 20 days, and within 45 days, we achieved the desired MLSS of 3200 mg/l.

The efficiency of both bioreactors was improved, and after 2 months, both were working at 80-85% efficiency.

• Also read: Women’s hygiene in India: The scenario today

The biological system was stabilized, and the growth of an effective microbial population was achieved in both aeration tanks.

Outlet parameters were improved significantly and came within PCB-prescribed norms.

We understand the economics of paper. And we understand the environment.

And we have 18 years of research that marries nature and science to ensure that economics and the environment can co-exist in harmony.

They say an army marches on its stomach. What is left unsaid, however, is that stomachs are connected to excretory systems.

And when facilities are not provided for efficient management of excretory output, even the most dedicated of marches can come to a grinding halt.

This is the situation that army cantonments across India were dealing with.

All were equipped with conventional toilets, and high usage led to several sanitation issues, not the least of which were overflowing septic tanks and the accompanying emission of unpleasant odours.

• Also read: Revolutionize your toilet cleaning experience with Bioswitch

Many problems with septic tank systems arise because adequate consideration is not given to the disposal of effluents from these tanks.

Effluents from septic tanks are anoxic and likely to contain large numbers of pathogens, which can be a potential source of infection.

Even suspended solids are discharged with the effluent.

Incomplete degradation of such solids leads to a bad odour.

To make things worse, most cantonment regions generally don’t have a structured sewage disposal system, impacting the hygiene of troops and the environment.

In tough mountainous terrains, where the going is already tough for the Army, these sanitation problems aggravate matters and can affect the morale of the force.

The Indian Army has installed bio-digesters at various locations in Jammu & Kashmir, Sikkim, and Arunachal Pradesh for human waste disposal at high-altitude locations.

But the sub-zero temperatures make biodegradation of organic matter difficult, posing a great health risk.

In this scenario, the Indian Army asked us for help turning things around at cantonments in Haryana, Rajasthan, and Madhya Pradesh.

And we had a Ministry of Drinking Water and Sanitation approved champion – Bioclean BD – to help.

Bioclean BD is our research-backed consortium of microbes specially selected to degrade organic waste optimally.

It ensures no odour generation and maximum sludge reduction.

Bioclean BD has proved its efficacy in a wide array of environmental conditions and performed effectively even in sub-zero temperatures to degrade faecal matter quickly and stimulate the production of methane gas, thus ensuring an odour-free environment.

We worked with the Army to convert septic tanks into biodigester tanks at cantonments in Haryana and Madhya Pradesh.

At the Rajasthan cantonment, we installed bio-digester tanks, which take up about a third of the space that septic tanks use, making them an easier solution to implement.

In Haryana, there were 25 septic tanks, and we proposed a 270 kg loading dosage with a 324 kg maintenance dosage.

The results were almost immediately visible.

• Read: Improved Sanitation Leads to a Healthier Environment!

At one site in Haryana, our solution reduced COD by 50% in the first month itself.

Even the fecal coliform count was reduced by 40% in the first month while ensuring maximum odour control was achieved.

Similar results were achieved at the second site, with a 30% reduction in COD levels and a 42% reduction in fecal coliform levels.

In Madhya Pradesh, there were 35 septic tanks, and our proposed solution involved 241 kg of loading dosage and 165 kg of maintenance dosage.

Here too, BioClean BD worked like a charm, achieving maximal odour control while reducing COD levels by 58% and fecal coliform levels by 37%.

As Dr Ambedkar said, “A safe army is better than a safe border”. Organica is proud to have done its bit to keep our soldiers safe and healthy.

Native to the Middle East, pomegranate is a superfruit loaded with antioxidants and vitamins.

Pomegranates are even known for their anti-inflammation qualities and are recommended for preserving bone strength.

One challenge with growing pomegranates, though, as with any fruit, is the constant threat of bacterial and fungal infections that can drastically affect productivity and yield at any farm.

This was the challenge Prasad Subhash Ahir faced at his farm in Nashik. A fungal infection was running rampant at his farm, affecting all fruits.

The infection was causing fruit to develop dark brown spots and patches, thus leading to him not being able to sell the crop.

He also observed that his pomegranates were smaller in size, with an increase in incidences of fruit drops.

Our representative in Nashik gave him the solution he needed: Magic Gro DripSol.

Magic Gro Drip Sol is our research-backed consortium of non-genetically engineered, beneficial, and robust microbes that are non-pathogenic, enhance soil fertility, and boost plant immunity.

It is proven to reduce fruit and flower drop and rejuvenate the soil while helping the decomposition of organic matter in the soil.

It also enhances microbial load in soil and helps in crop growth by improving the uptake of nutrients.

Magic Gro Drip Sol also helps in the prevention of major soil-borne and foliar diseases and enhances the fertility of the soil by increasing microbial and organic ingredients.

We applied two doses of Magic Gro Drip Sol in intervals of 15-20 days. We used 500 grams per acre in the first application and reduced it to 250 grams per acre for the second dose.

The results were visible within 10 days. The fungal infection was reduced by 85% in the treated plot, and the pomegranates were also visibly bigger.

Over time, the infection was fully treated, and no new instances of infection cropped up either.

They say eating lots of fruit is a vital component of a healthy diet. This is why we have developed solutions to ensure that the fruit you eat is always as healthy as nature wants it to be.

• Read: Microbes In Agriculture And Their Role In Plant Growth Promotion

One common factor that unites most of India is inefficient drainage and sewerage systems.

From the biggest cities of India to small villages to apartment blocks to offices to hotels of all shapes and sizes to bus and rail stations and airport lounges, inefficient drainage and sewerage systems are the great unifier.

This was the issue that affected our client, too. One of India’s oldest – and, in our experience, finest – hotel groups, our client runs a luxury, 5-star hotel in Ahmedabad.

They had multiple concerns with their drainage lines and septic tanks. Their pipelines were constantly clogged due to the accumulation of fats, oil, and grease in the drainage lines.

Their septic tank was covered in flies, mosquitoes, and cockroaches. The system needed constant maintenance, increasing its costs.

Equally important, the odour generated by their drainage system was too obnoxious to bear.

This was when they approached us for an immediate and lasting solution. And our solution was Bioclean Septic.

• Read: Sanitation in the time of cholera

Bioclean Septic is our unique microbial consortium with a superior strain of microbes capable of degrading sludge accumulated in pipes, septic tanks, and leach drains.

The beneficial microbes present in “Bioclean Septic” have metabolic capabilities and are specially selected to digest accumulated fats, oil, grease, proteins, starch, and other organic buildup by secreting necessary enzymes.

Bioclean Septic is a cost-effective, proven, and eco-friendly solution that prevents clogging while increasing the life span of drainage lines / septic tanks by reducing the frequency of sewage pump-out and operation and maintenance work.

Choking of drainage pipelines due to the accumulation of sludge and obnoxious odour from septic tanks is common in residential areas, hotels, restaurants, and commercial places like malls, IT parks, etc.

Generally, chemicals are heavily used to resolve these concerns, but this is neither ideal nor long-lasting and also can lead to exposure to toxic substances. Chemical use also leads to additional drain cleaning, treatment, and maintenance, thus increasing operational costs.

• Also Read: Sanitation and the unlikely link to good health

The biological cleaners present in Bioclean Septic play a very important role in treating such concerns. They provide powerful, broad-spectrum capabilities that are far greater than enzymatic chemicals available in the market today.

Bioclean Septic develops a healthy microflora that effectively degrades all organic sewage pollutants, thereby maintaining the natural biological health of the septic systems.

We began a 4-week bio-augmentation program for our clients. Bioclean Septic was applied through various plumbing outlets, such as toilet flushing, bathrooms, wash basins, etc.

The results were visible in 20 days. The drain lines were free-flowing again with no accumulation, just as nature intended. We observed a drastic reduction in organic waste and FOG (Fats, Oil, and Grease).

Odours were minimised. Chemical consumption was naturally reduced, leading to reduced operations and maintenance costs. And yes, flies, mosquitoes, and cockroaches became a thing of the past.

Using Organica Biotech’s advanced microbial technology allowed the hotel to achieve further efficiency in its wastewater treatment plant while reducing the cost of treatment.

And the best part?

The treated wastewater is recycled to garden plants in the vicinity of the hotel. Now, that is what we call a 5-star cycle.

Our clients – India’s oldest and largest dairy foods manufacturers – have a plant in Gujarat, manufacturing a wide range of products, including milk and milk-derived food products like cheese, butter, ghee, ice creams, and more.

Their effluent treatment plant (ETP), using both aerobic and anaerobic digestors, was not able to efficiently degrade wastewater constituents.

Frustrated, they asked us for help in making their ETP more efficient.

One of the things our technical experts observed was that our clients were using cow dung as microbial culture in their anaerobic system.

However, we have observed that microbes present in cow dung are never efficient enough to effectively degrade wastewater.

Sure enough, that was the case here, too.

To further compound matters, MLSS levels were low in both bioreactors, and the optimum MLVSS: MLSS ratio was not maintained.

And even though they were already using a microbial culture to treat wastewater in their aeration tanks, it was not efficient at reducing the COD load.

The major problems our team observed at the plant were:

• High COD
• High BOD
• Oil and Grease
• Chlorides
• Odour

After an in-depth study of the plant and analysis of the problems, our experts decided to bio-augment both systems.

Our objective was to reduce COD loads, in line with Pollution Control Board (PCB) norms, and to stabilize the biological unit for effective plant performance.

Layout of the ETP

Our recommended solution was a combination of CleanMaxx ANB+  (for their aerobic system) and CleanMaxx ANB (for their anaerobic system).

CleanMaxx is a tailor-made, heterogeneous consortium of beneficial and robust microbes isolated from nature.

The microbes secrete effective enzymes that are completely natural and safe for humans, plants, and animals.

CleanMaxx ANB is a variant of CleanMaxx that is specially designed for anaerobic systems.

CleanMaxx ANB provides a continuous source of highly anaerobic and facultative cultures that stabilize the system.

The microbes break down complex organic matter into volatile acids, and the volatile acids are further broken down into methane and carbon dioxide.

The results of our intervention were immediate, measurabl,e and impactful.

 

 

The effective microbes present in CleanMaxx steadily degrade organic pollutants, and this leads to a reduction in COD/BOD levels in the wastewater.

Within two months, we observed a 95% reduction in COD, while BOD was reduced by 93%.

After bio-augmentation, MLSS levels were also significantly improved in the biological system.

There was no more fluctuation in MLSS levels, and the desired MLVSS: MLSS level of 0.7 was attained and maintained steadily.

Before the addition of CleanMaxx, MLSS was in the range of 2000-2200 mg/lt.

After treatment, MLSS levels rose to the range of 4000-4300 mg/lt, and MLVSS was in the range of 2550-3000 mg/lt.

And lastly, our treatment was also effective in significant levels of odour removal.

After all, this was not just a routine project we were on here. This was all about ensuring the taste of India.

Organica Biotech is one of the pioneers in developing effective wastewater treatment solutions.

The wide range of nature-based products made with advanced microbial formulation includes solutions for aerobic wastewater treatment, anaerobic wastewater treatment, FOG degradation, STP plants, and much more.

One of our clients is one of India’s leading pharmaceutical companies.

Their factory in South India manufactures Active Pharmaceutical Ingredients (APIs).

Most of the manufactured ingredients are antibiotics, and the presence of these residues in the wastewater added a toxic load to the generic microbial population in the biological unit.

To make things worse, a number of effluent streams with distinct characteristics coming from the production unit led to frequent plant upsets.

They turned to us for a solution to reduce COD levels and stabilize plant performance.

They were already using a microbial culture to treat wastewater in their aeration tanks, but it was not proving efficient in reducing the COD load.

Our objective was to reduce COD loads, in line with Pollution Control Board (PCB) norms, and to stabilize the biological unit for effective plant performance.

Our recommended solution was CleanMaxx Aero (Aerobic Wastewater Treatment) with Bioclean XLR.

CleanMaxx Aero is a tailor-made, heterogeneous consortium of beneficial and robust microbes isolated from nature.

The microbes secrete effective enzymes that are completely natural and safe for humans, plants, and animals.

Bioclean XLR was also added to the biological system to accelerate the biodegradation process.

Before planning a treatment scheme, it was crucial to perform a treatability study of the effluent sample to understand the wastewater characteristics and devise a treatment regime specific to the effluent.

For this, we employed BioSure, our 15-day laboratory-scale trial that confirms the suitability of the bacterial consortium present in our product and their development in the effluent.

After the 15-day trial, we started with bio-augmentation on 10th March 2014 with a 2-month treatment plan.

The appropriate dosage pattern was devised by our implementation team, and we ensured the exact dosage was followed by the factory regularly to achieve optimum results.

We observed a gradual reduction in COD levels during the treatment period.

More importantly, by the end of the project, our technical team observed an average reduction of 85% in outlet COD, an increase of 27% over the previous treatment regime at the factory.

• Also Read: Green Wastewater Treatment That Treats all Colours Equally

The COD level was further reduced after tertiary treatment to meet the PCB norms.

Odour was totally eliminated from the biological system.

The plant was stabilized and, at present, the ETP is working at its peak efficiency.

The best illustration of how well our solution worked is this email we received from the client shortly after.

“We have been using your product CleanMaxx Aero and Bioclean XLR in our ETP, for the past six months and we have observed significant improvement in the performance of our ETP. Discharge from our secondary has improved and observed reduction in COD and total odour elimination. We have a well designed and maintained plant. We welcome this biotechnology approach to the industry.”

What can we say other than that the customer is always right?