Dophin FM905 Ceramic Ring 400 g

Dophin FM905 ceramic rings, 400 g. The box says they give filter bacteria a porous surface in the nitrogen cycle.

Price: ₹290.00 · In stock

A 400 g box of Dophin ceramic rings, model FM905. The rings are white cylinders with a hole through the middle. The box says they go in a filter so beneficial bacteria have a porous surface to grow on, and that those bacteria take part in the nitrogen cycle: ammonia to nitrite, then nitrite to nitrate. A KW mark sits in the corner. An ISO 9001 badge is printed and not verified here. KW Zone’s media list pairs FM905 with 400 g of ceramic ring.

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