Macropore Micro Filter Media – 500ml


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Synthetic Polymer Resin – Macropore Filter Media


synthetic absorbent polymer that removes impurities from water and polishes it to a crystal clear clarity. It is active on Quartinary Ammonia groups like nitrates. It can be recharged with salt for freshwater use until it darkens to a point where Chlorine must be used to re-whiten, every three or four recharges. 
1 litre of Macro-pore will treat 5000 litres. This is a fabulous product that works, place Macropore in Resin Bag so contents can’t escape into your aquarium.