What is the difference between Biodegradable and Readily Biodegradable?

When a product is described as Biodegradable it means that over time the product will break down into the environment. Readily Biodegradable means that the product will break down in less than 30 days, meaning that a Readily Biodegradable product is a better option for the environment.

How long will the biological products last in the containers?

The ETG bacterial based products will remain effective and uncompromised in their containers for at least 18 months. After this time the quantity of bacteria present may start to reduce.

Are the products safe to use around my children and pets?

Yes. All of the ETG products are safe to use when used as per the instructions on the container and in the Technical data Sheets.

Why is bacteria ideally suited for waste treatment and aquatic restoration?

Bacteria are nature's recyclers. They have the ability to degrade an astonishing number of compounds, due to their evolution in myriad locations over millions of years, enhancing their suitability for a large variety of natural and manmade systems. Once the environmental and nutritional requirements of different species of bacteria are quantified, their abilities to completely clean and re-stabilize a system can be harnessed. Certain challenge and selection techniques can be employed to further enhance their appetites for certain difficult to degrade compounds.

Exactly how do bacteria degrade waste?

Bacteria produce enzymes that allow them to break up complex compounds into smaller pieces that can enter the cell to be used for growth and reproduction. Some bacteria use the carbohydrates and proteins usually found in the suspended solids that elevate biochemical oxygen demand (BOD), while others employ compounds most organisms cannot, such as sulphide, ammonia and hydrocarbons. When added to water, the bacteria attach themselves to solid particles, whether floating in the water or settled on the bottom, and secrete enzymes which decompose the particles. Certain dissolved compounds, such as nitrite and nitrate, are absorbed directly into other living cells. Combinations of species often provide a more powerful and complete degradation of specific pollutants than individual strains applied alone, because the by-products of one species often serve as another species' food. Only a correctly balanced formula of bacterial strains can use this synergistic effect to completely break down pollutants to non-toxic by-products such as carbon dioxide, nitrogen and water.

What happens to the bacteria when the job is done?

Bacteria replicate at an enormously fast rate when they are well fed, about once every 15 to 20 minutes, depending on the species. The bacteria will replicate as long as the pollutants in the system can feed the population. As the pollution level decreases, the bacteria die off and reproduce less often. In this way, the population naturally tailors itself to the pollution level. By the time the job is done, the bacteria have died back to a normal population. Some will go into dormancy, and reactivate if the pollution level begins to rise again.

Are the bacteria genetically engineered?

No. The bacteria used are natural environmental isolates, selected for desirable properties and challenge adapted. They are not genetically altered in any way.

Are the bacteria non-pathogenic (are not a cause of disease) to humans, animals and plants?

All of the biological products manufactured by ETG are non-pathogenic.The products cause no short or long-term detrimental ecological effects. In fact, by reducing total suspended solids (TSS), ammonia salts, hydrogen sulphide, and other contaminants in lakes, ponds or reservoirs they provide an ecological benefit. The products are safe for use in any aquatic environment, around fish, crustaceans (lobsters, shrimps, prawns, etc.), animals, frogs, alligators, worms, Artemia and protozoa.

Are the products safe for fish?

YES! The products recommended for use in an aquatic environment where fish are present improve the aquatic environment for fish and other wildlife by removing ammonia and sludge from the water column.

If these bacteria are already present in nature, why do they have to be added to a natural system?

The bacteria in nature are kept in check by organisms in the food chain that eat them and are not always suited to the treated environment kind of wastes in which they find themselves. With tougher pollutants, the natural bacteria may not be accustomed to using it as a food source. By flooding the system with a carefully selected and enhanced combination of organisms, the added bacteria have an enormous competitive advantage, and are free and able to handle the wastes at a given site.

If the bacteria reproduce in the field, why isn’t one dose sufficient?

The bacteria has been adapted to prefer specific difficult-to-degrade wastes. After adapting the strains to a specific purpose, the strains are blended in a particular formula to suit the intended task. Without an artificial selection process, each succeeding generation (after the first 10) reverts more and more toward the "wild", again, preferring simpler carbon sources, such as sugars, found in the waste stream. In other words, after "breeding" in a waste stream with a low concentration of the target substance, for 10 or more generations, the descendants become more and more indistinguishable from the wild population. Of course, if the waste stream is highly concentrated with the target substance, and the waste flow is fairly constant, the maintenance dose can be cut back until it is miniscule.

What kind of pollutants does the bacteria target?

Virtually all organic contaminants except PCBs can be degraded with bacteria. These include but are not limited to: sludge, manure, grease, oil, chlorides, ammonia, nitrite, sulphide and hydrocarbons.

How do bacteria products clarify the water?

The bacteria products reduce the Total Suspended Solids (TSS) that cloud the water column by digesting the floating organic matter.

How is odour controlled?

By accelerating the natural nitrogen cycle, various formulas enhance the rate at which ammonia is converted into nitrite and then into nitrate, eliminating the release of ammonia gas.

Where can the products be used?

The ETG products can be used in all manner of situations where organic waste is present. The range of products are now packaged in a large variety of options making them available to a large number of commercial applications as well as suitable for home use.

Do these bacteria products require registration?

NO. Generally naturally occurring, indigenous, and non-pathogenic bacteria do not require registration. In saying that some Ecogreen ™ products are AQIS approved and registered.

Are microbial products compatible with algaecides, antibiotics or pesticides?

No, Algaecides indiscriminately kill living microorganisms including beneficial bacteria. These products are susceptible to most common antibiotics and pesticides.

Is mechanical aeration necessary for a large water body?

A number of bacterial strains utilize dissolved oxygen in their digestive process. Mechanical aeration will enhance the effectiveness of these aerobic bacteria, particularly in aquatic environments where the dissolved oxygen level is low.

How do microbial products compare economically?

In most cases the ETG product range are very competitive with their chemical counterparts whilst offering a number of environmental and performance improvement benefits. For the treatment of large water bodies biological treatment is much less expensive than mechanical or removal alternatives.