How can I get rid of diatoms

kara1

New member
I'm new and I need some help please.

I have a 100 gallon saltwater tank

fish - 1 engineer goby, 2 clowns, 1 wrasse, 1 coral beauty angelfish, 1 sailfin tang, 1 xl chromis, 1 cardinal, 1 firefish, 1 cleaner shrimp and 2 snails

only fish, no corals or live rocks yet

all parameters all good, salinity good
I do a water change every 2 weeks
the tank is 3.5 months old
the light is on at 10am to 6:00pm


The water is a cloudy and there are reddish - brownish diatoms covering everything

what can I do?
 
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