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What kind of algae is this?

6929 Views 12 Replies 9 Participants Last post by  SpeedEuphoria
I have been struggling with this for months. I pull it out by the handful every week. It has taken over everything. Can anyone tell me how to get rid of it? It appears white and stringy. When I pull it out it has a rough feel and is green when clumped together. Even though I try to get it all, it still comes back as strong as ever. I have tried lights out, fertilizing, not fertilizing, CO2 fert to 6.0 pH, non-CO2 to 8.o pH. Not sure what else to try. Lighting is 2-4' T5 HO and 2-4' Actinic. Tank is a 90 gal.


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I have two large pieces of Mopani Driftwood from Foster&Smith.
OK, I give up.

If I start again, how can I make sure that I have killed all of the algae that may still be in the gravel, driftwood, plants, etc. Is there a way to sanitize everything to make sure it is a clean start?
I had a tank once that every time I tried a new start it produced Spyrogyria every time! No other tank did this. I finally had to get rid of the tank. I don't want to do this as I have too much money tied up in this system and want to replace as little as possible.

Any suggestions would be appreciated. My low tech tanks do fine. This is the first high tech tank I have tried and so far it's a disaster!
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