The Maxquarium 000 PPM is a Reverse Osmosis + De-ionisation Water System optimized for aquarium, hydroponic and aquaponic uses. Eliminates up to 99% of chlorine and reduces sediment down to 5 microns. Also eliminates up to 100% of all salts and heavy metals, providing 000 ppm pure water. This system is built to give maximum amount of flow from the membrane. Please read the following setup and maintenance guide to get the maximum results from your system.