PURA PhosLock Filter Media - 1135 g
Supreme phosphate control is made simple with the ingenious Pura PhosLock from Magnavore. This handy product is made from ferric hydroxide, which permanently binds phosphates, rendering them completely harmless in your aquarium, and terminating algae problems. Phoslock is five to ten times more effective than other forms of phosphate control, and it is safer for your livestock too. Great for use in all applications, including power filters , canister filters , wet/dry filters & sumps , and media reactors . For more information on controlling phosphates, please see our article How to Get Rid of Algae and our That Fish Blog post: Phosphates ? Invisible Troublemakers in Ponds and Aquariums .