What Kind Of Algae Is This?

Richard Kao

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Feb 18, 2018
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Fort McMurray
Hello there,

I have a Fluval Edge 6 gallon which I cycled, and planted for 3 weeks before I added two Amano shrimp. I have recently upgraded the light from a miracle-grow light to a AI Prime Freshwater. I dose iron and phosphate every other day and approx 1 mL. Excel 5-6 drops per day.

If you know what these are and how to better control them, please let me know!

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Allwissend

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Jun 20, 2016
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Judging by the branching pattern visible in the photo I would say you have some cladophora on your hands. Turn off filter, put the hose near it and suck it out with the water. If it does not come out, force it with pincers. Then take some excel or H2O2 in a syringe and spot dose that area. The plants will also die in that small area, sorry just nuclear war. And hope, just hope it is just in that area.
I had to throw away a large culture of Phoenix moss that was infested with this stuff and did not want to sell with algae in it, such is life.

Cladophora does great in pretty much the same conditions as plants. It is very well protected, no algae eaters really target it and can regrow from small fragments, for me even from wood where it was previously. The best strategy when it is only a little is physical removal. And hope it was only there.
 

Richard Kao

New Member
Feb 18, 2018
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Fort McMurray
Ya! Thanks! I took care of it through careful physical removal. There aren’t much left but now I think I have green hydra! Haha. Planted tank’s problem I guess!

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Phishless

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Jul 13, 2017
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I have never figured out the hydra scare.
I have them, but only on my crypts in the 80G, before I sell the crypts they go to my 75G and are magically cleaned by larger phish.
Normally the hydra are in my 80G with Corys and shrimp, never seen an issue.