sera siporax Nitrat-minus Professional Content:500 ml / 145 g But how do you create

But how do you create varied currents

Scientifically tested and optimized according to the model of nature

Large waste water tank (27 l)

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sera siporax Nitrat-minus Professional Content:500 ml / 145 g But how do you createBiological filter medium for nitrate removal in aquariums sera siporax Nitrat minus Professional is a high performance filter medium for biological nitrate reduction with parallel reduction of nitrite and ammonium. The biopolymer ball, which is tailored to the siporax ring, optimally increases and maximises denitrification. The degradable biopolymer serves as a carbon source for the nitrate degrading bacteria. The biopolymer ball not only maximises