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Green under both lights2 months out... I wouldn’t surprised if it’s Diatoms. Is it brown under white light or still green?
Yes it doesHuh. I would say it’s algae, but I wouldn’t expect it to grow on the sand like that at 2 months. Does it come off if you rub it gently?
So I’m on the right track? I though the alge being on the rock is a good thing.Green Rock Turning Green
I started my tank with dry rock , now the tank is cycled with fish and ready to add coral but my rocks turned and are turning more green how can I prevent this ?www.reef2reef.com
It looks normal. I’ve never had it go bright green, but it’s referenced in other threads. As long as it doesn’t take over everything, you probably don’t need to worry.