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What is your best advice for removal of Green Hair Algae?

Over the past month, I’ve developed some green hair algae in my 200 gal display tank. The initial outbreak was caused primarily from my exhausted RODI water filtration. I replaced my RODI filters and also added a Triple DI Resin system to my existing 4 stage RODI system. I’ve been utilizing a turkey baster to suction a lot of the hair algae off of the rocks. I have a large collection of SPS so I’m hesitant to do a 72 hour “lights out” period. I’m not opposed to using chemicals, but I prefer to take the most natural approach. Please share your knowledge and experience with GHA and how you overcame this challenge!

Filtration:
- Filter socks x 4
- Refugium w/macro algae
- Skimmer

Thanks!

- Chief Reef
@ChiefReef avatar

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Chief Reef’s Display Tank

Mixed · 200g · 45 months

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@ChiefReef avatar
Answers1
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Chief Reef’s Display Tank

Mixed · 200g · 45 months

No guide linked yet.

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OG Farmer avatar

OG Farmer

@scott_tang
@ChiefReef, you made the first help post on Garage Farmers!

Do you mind adding the Tank parameters. In your tank profile, you should see the Equipement tab on the top. Fill that out if you dont mind. That'll help reefers answer your questions. Thanks man!

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OG Farmer

@scott_tang
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@ChiefReef, light out isn't going to solve the root issue here. At its core I think nutrients are out of balance in your tank. Too much coming in and not enough coming out. Also, hair algae and other algae thrive on the same conditions as our corals. So killing them off is very tricky.

One solution is to run a algae scrubber. The hair algae is "transfer" into the scrubber and that will out compete the ones growing in your display. However, too much export can also hurt your corals!

Whatever that you're doing, I would just go very slowly.

Some of us learn to live with the algae. I'm doing that now with bubble algae. I'm going to run an algae scrubber in the new setup. That'll take care of all algae issues for me.

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