Safe rock cleaning

[emerald76]

How on earth does one get algae off of rocks? I've scrubbed them, washed them in tank water- help!
Thanks,
Emerald76


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[Lotocus]

Tooth brush and dechlorinated water


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[Lotocus]

Or are you taking substrate rocks (gravel)


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[emerald76]

No, 1lb plus granite chunks, so the toothbrush sounds good, thanks!


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[Mebbid]

Bleach should work well