Help needed. Algae

new2reefing123

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Need your help. Thanks in advance.

I have this brown algae on my rocks, appeared two days ago, it’s not covering every bit of the rocks but a good amount. During the day it is brownish and at night it almost turns radioactive green. Also, it looks like it has silver air bubbles in it. The “air bubbles” appear as the lights get ready to go off for the night.

12hr light schedule
40gallon breeder
HOB refugium with chaeto(light on opposite DT light for 8hrs)
Reef octopus HOB 100 skimmer

Ammonia-0
Nitrite-0
Nitrate-8
Phosphate (Hanna ULR) - .16
DKH- 4


All tests conducted with Red Sea marine care kit besides Phosphate

It’s hard to see the “air bubbles” as I can only see maybe 8 right now with the light on, but when the lights are about to turn off I can see 20 to 30 of them.

The brownish color algae is also on some of the aubstrate(crushed coral) but that has 0 of the silverfish air bubbles.

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ThePurple12

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Since there's nothing else in the tank to use nutrients, the algae get it for free. Once the tank gets established and other things like corals and macroalgae start growing, the algae dies off.
 
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new2reefing123

new2reefing123

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Since there's nothing else in the tank to use nutrients, the algae get it for free. Once the tank gets established and other things like corals and macroalgae start growing, the algae dies off.
Year old. 8 fish total, and 20 give or take snails. 1ultra rainbow bubble tip
 
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new2reefing123

new2reefing123

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Since there's nothing else in the tank to use nutrients, the algae get it for free. Once the tank gets established and other things like corals and macroalgae start growing, the algae dies off.
Here it is with the white channel on Stronger

0178073A-B804-4ED4-9EE4-BEE8693B4D84.jpeg E4E504EE-D696-4BED-B149-B3B77D256FA6.jpeg 5FA18FDB-5A0F-4F67-8B37-CDE47BEA9F5C.jpeg
 

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