sandbed algae

My substrate was filled with GHA, so i took the superficial part out and washed it with hydrogen peroxide I know that kills good bacteria too, but nothing else was working Anyways, when i put it back into the tank, a bit of the algae that stayed got buried Is that a problem? Will it die and...

Heyy guys, i need some help identifying what is on my sandbed. I have attached some picture od some sand grains under the digital microscope. Especially the red stuff if anyone knows please help id.

QUESTION: best way to get the HA in the sand bed? My siphon doesn’t seem to pick it up since it’s stuck itself to clumps of sand How it started: So back in December, I left my RODI unit outside and it froze and broke a canister. Took me over a month to fix that so I had not been doing water...

I have been noticing on every reef tank I see, they have clean sand beds... Any tips for that? I cant seem to keep the algae out of it no matter what I do, its not a bad breakout its kinda just there... In some spots but not in others. -------------------------------------- I have a Fluval Evo...

I recently started up my tank about 6 weeks ago and have now gotten this algae outbreak out of no where. It’s brown algae across the rocks and also across the sand which has been a nuisance since it’s constantly seems to come back. I also seem to see a weird haze in my tank but only really...