Diatoms

longdangler

New member
Not a new reefer but new to this problem. I have 120g that I had down for a few years back up and going now. It has been cycling for almost a month, everything was normal. Then I changed my lights out from 250W HQI, to 25OW with Lumenbright reflectors. As soon as I changed Diatoms exploded totally covering the glass and rocks.

Question is, should I just let it be and run it's course then vaccum off as much as I can when it's done, or should I try to keep siphoning it off the rocks, etc? There is nothing in the tank except Rock, Which was all dry from when my tank was up previously.
 
diatoms are natural in new tanks. as silica levels go down in ur tank so will diatoms. i leave it alone.
 
I'm running bare bottom. It's strange to have silica now. Never did before. I'll just let the brown diatom slime eat it all up and run its course. Had a very fast mini cycle and was hoping to slowly move forward. It's not a big deal, I can wait for everything to be right
 
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