Plecoceramics Ceramic Bio Ring 21*21mm 1L / 2.02 lb for cichlids or fish that have been

or fish that have been slow to commit to an open-ended cave

too: the enclosed shape is a favorite with crayfish and a comfortable

The Camel's gently curved

the labyrinth gives many — a network of passages and pockets that small fish and shrimp move through and disappear into

Either way it gives a fish a roomy

Plecoceramics Ceramic Bio Ring 21*21mm 1L / 2.02 lb for cichlids or fish that have beenIts role: high turnover flow and anti clogging built for big systems. Our largest ceramic rings, with a wide open bore that keeps water moving freely even at high flow rates. The size resists clogging and holds its flow over time, which makes these the dependable backbone of larger canisters, sumps, and fish room systems exactly where flow matters most. In a layered filter, these large rings handle the coarse, high flow first stage: strong aerobic