Quote:
Originally Posted by MKLKT
Did a couple of small test rocks, took them out, scrubbed off whatever algae I could with a dish brush and then sprayed 3% H2O2 on it, rinsed it off after a few minutes with RODI. Looks a lot better already but we'll see if it really gets it.
I also torched the tiny aiptasia living on the rock that I had been lazy about dealing with.
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fwiw , algae doesn't die instantly with h202 , it dies within 24-48hrs afterwards
for dipping a 4:1 tank water to peroxide ratio is more than enough to kill algaes