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- Sep 28, 2019
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I have this orange stuff that looks kind of like a dense orange spider web. I’m thinking that it’s not algae as I have zero phosphates and nitrates. With that description, it seems like dinos would be the obvious answer. I’ve had those before, and this does not look like them. I really need an ID cause it’s taking over the tank! Not sure if it helps, but I have low calcium and alkalinity. Cal is at 350 and alk is 5.8-6 dkh. pH is at 8.1 and salinity is 1.023. Pics-