i tested yesterday when i first saw the 'growth' and the ammonia was at 0
i will test again soon and see if there has been a spike.
As a beginner i asked the advice of the lfs but they said it was cured LR - maybe i have made my first mistake here!!!
the rock dosent smell like uncured though???
is this likely to cause me any problemns in the long run??? i was thinking of adding some more LR soon should i wait??? i may get if from another source??
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