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DarcyB
04/17/2017, 08:37 AM
Hey guys anyone knoe why rocks have gone thos brown? Is it diatoms? The sections of purple and green, its not hairy/fluffy or anything im not quite sure whats happening. Parameters are all within range.

AlSimmons
04/18/2017, 10:39 AM
If it comes off easily with a brush then it's probably just Diatoms.

DarcyB
04/25/2017, 09:57 AM
Yeah it does come off quite easily, thanks for the reply.