Macropore Gold 350g

Micropore Gold is an exchange poly resin that softens aquarium water by removing Calcium and replacing it with Sodium.  The result of this will be soft water which is preferred for discus, Apisto family, L number Pleco Catfish, angel fish and a variety of other fish perfer the softer water.  The Poly Resin will also make your water crystal clear.  The other benefit is that this poly resin can be "recharged", which makes it a very efficient filetr media.