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Green hair algae?

I'm trying to see if I'm missing anything here. I have been having green hair algae blooms bad recently. I'm using RO/DI water.. My phosphates are 0 and my nitrates stay between 10-20 ppm. I cut my feeding and my lighing, and still have this problem. Could someone help me out please? ??? ??? ???
 

Phyl

Officer Emeritus
Officer Emeritus
I'd start with water changes. 20% every few days until the trates are down. That should help. I find that I'm more likely to get HA when I don't have enough clean up crew in the tank.
 

Subliminal

NJRC Member
Hey J.,

Are you testing your phosphate in the tank or the water you're putting into the tank (before it goes in)?

Phosphates almost always read 0 because the algae will just thrive off of them to their fullest extent.

Are your RO/DI filters relatively new? Checked TDS?

How about your bulbs? After a while I guess the bulbs put out different wavelengths than when they are new, and often times algae love this.

You say you cut your feeding...how much do you feed?

Also, how old is your tank? It's fairly common for tanks under a year to see all sorts of weird algae blooms. I know I had a really...interesting...bloom a while back, and made it through it unscathed in the end.

:)
 
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