You're having an algae bloom, which is perfectly natural in a new tank cycle. You should be monitoring your water quality to ensure optimum quality, which reduces algae.
Algae and diatom blooms....completely normal, it happens to every new tank. There will be many more algae that may explode in growth, then balance out after a few weeks.
Read through the Sticky Posts up above - especially SETTING UP. It explains all this and more! The ride is wild - be ready for happiness, sadness, elation, frustration, confusion, exhaustion, exasperation, and finally, acceptance.
Read through the Sticky Posts up above - especially SETTING UP. It explains all this and more! The ride is wild - be ready for happiness, sadness, elation, frustration, confusion, exhaustion, exasperation, and finally, acceptance.
Tiny brown diatoms are using excess silica in your water, sand and rocks to build their tiny shells. They will run out of silica soon, and they'll die - but cyanobacteria and algaes will find things to feed on. Smile about this, because if they didn't, there wouldn't be anything for your corals to use for nutrient, either!
Cerith, astrea or nerite snails can help to restore some whiteness to the rock, but don't get so many that they eat _all_ your algae - they'll polish it off and then starve to death. That would be bad.
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