 The aqua medic Ro Unit Standard is a reliable RO unit with many years in production and produces good reliable RO water. The RO unit consists of 3 stages.
The pre stage and assists the membrane by removing anything in the water larger than 5ppm.
The carbon filter is standard for any water purification and helps remove organics and other harmful waste products. The membrane is the business end of the unit and aqua medic use a polymide/polysulfone membrane which provides between 95-98% pure water.
The aqua medic RO unit standard range can provide between 30 to 150 litres of pure aquarium water per day. | 
