Dennerle Osmosis systems not only soften the water they also remove harmful substances such as chlorine heavy metals pesticides herbicides & other impurities which can damage the aquarium or encourage algae growth in aquarium. The result is soft water with a high level of purity irrespective of the quality of your local tap water. This clean pure water is the ideal basis for all fresh & sea water aquariums. Osmosis water lets you create the right environment so that even the most sensitive & demanding aquatic creatures will thrive in your aquarium. It can be enriched with special mineral salts to create water similar to the natural habitat of such tropical fish Easy to use Connect hose to tap Slowly turn tap on The white hose supplies soft pure osmosis water The blue hose drains off the hard impure residual water Dennerle Osmosis Professional 190 at a glance 2011 relaunch enhanced flushing 2011 relaunch Increased daily output Maximum output 190 l / per day at 25 °C pressure 4.1 bar Output under normal operating conditions 80 – 185 l / per day at 8-18 °C pressure 3-5 bar Retention rate at least 95 % Supplied ready for connection & use incl. 3/4´tap adapter (´washing machine adapter´) Ratio of osmosis water to residual water approx. 12.5 – 14 (dependent on temperature & pressure of tap water Modern TFC dry membrane made from polyamide/polysulphone Active carbon filter protects against chlorine fine filter protects against floating particles Easy to use