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brownish colouring on rocks and walls


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  • SRC Member

sorry to say tat i do not have TDS meter. Borwnish stuff is GONE! but now glass walls staring to have green patches. very hard to scrap off. We did 2 major WC plus UV. brownish coloring is off the rocks by itself. But green patches on the galss starts appearing after iodione dosing. The tank looks healthy. So far after the last test we have not tested.

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