Drain & Septic Maintainer pellets contain a special blend of bacteria and enzymes that have been specially selected for their appetite for fats, grease, oils and soap scum that are the usual cause of clogged and smelly drains and poor functioning septic systems. These specially bred bacteria and enzymes quickly liquefy and then literally digest fats, oils and soap scum quickly removing the blockage and odours. Our enzyme-producing complex is temperature, bleach and chlorine resistant enabling them to grow in harsh conditions giving you the best result possible. They have no effect on the environment and the only by-product from their bio-enzymatic process is carbon dioxide and water. Septic systems are very easily thrown out of balance, the microbes needed to digest the waste entering a septic system on a daily basis can be easily killed off by many of todays cleaning products, especially the caustic, chlorine and bleach-based products and anti-bacterial cleaners. Because Drain & Septic Maintainer pellets have specially selected bacterial stains which are bleach and chlorine resistant they give superior results under the most demanding of conditions, enhancing the septic or drainage systems naturally occurring microbes and keeping your system running smoothly. Drain & Septic Maintainer pellets are perfect to start new, restart existing or boost poor-performing septic systems. Drain & Septic maintainer pellets will quickly reduce or eliminate odours in poor-performing septic systems, drain lines and grease traps. They can be used in every area of the home or industry including drains, showers, kitchens, toilets, sinks, garbage disposal units. Safe for port-a-loos, caravan and boats and anywhere you have odours or stagnate water. Safe for all plumbing materials. How quickly will they work? This depends on the type & severity of the blockage. Severe blockages caused by a foreign object such as plastic, rocks or living tree roots, will require inspection by a qualified plumber prior to application. To help the bacteria thrive as quickly as possible add 1 litre of warm water to the drain before use. Are enzymes safe? Yes the enzymes used in Drain & Septic Maintainer pellets are naturally occurring, totally biodegradable and harmless to your family, pets and the environment.