Happy filter bacteria equals happy fish!
Advantages: Easy to fit. Lots of space for friendly bacteria to colonise. Helps lower my nitrate levels.
Disadvantages: Juwel filters in general won't appeal to all.
As a keen fishkeeper I am always looking to try different things to improve the quality of my tank and the fish that inhabit it, and so after having several different Juwel aquariums over the years, have come to use Juwels Cirax Biological Filter Medium o ...
pumfster 09.03.2014 · Read full review
Ciao members have rated this review on average: very helpful
Review of As Aquaristik Juwel Cirax Biological Filter Medium