Size: L 16cm/6.3” W 4cm/1.6”
1. Many people think that the filter material only filters the water quality, but in fact the filter material is quite a room
Seed is the bigger the house where nitrifying bacteria live, the more nitrifying bacteria cultivated, the more nitrifying bacteria
More, the clearer the water
2. Nano-level bacteria culture filter material, densely developed microporous system on the surface is the residence of nitrifying bacteria
In a good place, the water quality will be clear only if the nitrifying bacteria in the fish tank is cultivated
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