I have been stringing milk bottle tops onto cable ties for bio filters.
In my quarantine tank I use bottle tops scourers etc as the bio media.
Water test show low nitrite levels so I have been thinking of ways to improve the efficiency of the bio filter. I have not used k1 because with the current configuration there is a possibility that one K1 media could get into the pipe and block it.
One of those,’Doh’ moments. String the Ki on cable ties.
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