Juwel Nitrate Removal Sponge nitrax M

Nitrax is a biological filtering environment (middle) container containing special microorganisms Intended to decompose the toxic products stemming from the metabolism (ammonium / nitrite) Which form in your aquarium. He (It) is vital for your fishes to change the froths Regularly (mosses) of your JUWEL filter. The foam (moss) nitrax you reduce the growth of seaweeds thanks to the anaerobic decomposition of the nitrate, so stimulating the vitality of your fishes. Characteristics: - Sold in singly - Extra foam (moss) for filter JUWEL - Available in three sizes: M, L and XL