AQPET DITWIST 2 Stage Reverse Osmosis Deionizing PostOsmosis Plant New Quick Release System with Deionizing Resin for Aquariums

Post-osmosis deioniser with silica resins and with colour indicator for exhaustion Made and designed to treat water from reverse osmosis systems is indicated and recommended to maintain pure water for aquariums Cartridge D (Ention Resin): Orange This cartridge consists of a deionising resin with coarse filtration through a mixture of high-quality ion exchange resins to break down dissolved solids and carbonate hardness as well as other dissolved materials. Cartridge E (Ention Resin-2): Brown. This cartridge is made from a deionising resin against silicates and nitrates with colour toning. When the cartridge is finished and the colouring of the entire sponge needs to be changed, changes from blue to rancid yellow. This way you can understand when it's time to dispose of your old cartridge and install a new one. Revolutionary quick-change system for easy cartridge replacement