(2 Pack) Arcadia - Polyfilter Standard 20X10cm

Add this to your filter media and notice the crystal clear water within 24 hours. I've used it for the last 3 years and would recommend it.

does what its suppose to.Gets rid of all the nastiest including nitrates changes color so you know when it needs changing can be cut to size.

Excellent product..... just what I needed.

Great price and service

Works great. A must for marine tanks.