[mootay]

I'm looking to treat this stuff ravaging my tank. Is it BGA or something else?

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[victorusaconte]

I'm looking to treat this stuff ravaging my tank. Is it BGA or something else?

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What is this tank?

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[Roboto]

I believe that's alien soup.

 

[varanidguy]

That looks like the same stuff you'd find in an outdoor pond. I don't think it's BGA.

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[mootay]

The reason I considered BGA is because it forms a film blanket that coats everything.. my plants, gravel, water surface.

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[Scully]

Looks like it's the dreaded tear down the tank, clean everything, and restart algae. Must've come with a recently added plant or decoration.

 

[Roboto]

How fast did that happen?
Is that something that can happen overnight?

 

[jellopuddinpop]

I mean... as is, this is beyond "fixing" without a complete teardown. If I were you, this is what I would do:

1.) remove any livestock to a quarantine tank, and hook your filter up to that tank
2.) pull all plants you intend on keeping
2.) fill a bucket with clean, dechlorinated water, add a cup of H2O2, add plants, and let sit (6 hours max)
3.) syphon all of the water out of the tank
4.) remove all of the hardscape, scrub with toothbrush, rinse, and soak in the bucket with the plants
5.) remove substrate, and rinse thoroughly with dechlorinated water
6.) scrub all surfaces with clean water
7.) add substrate back into tank
8.) rinse hardscape with fresh, dechlorinate water, and add to tank
9.) remove any dead or dying plant matter. replant anything that looks healthy
10.) fill with 100% new water
11.) move livestock over
12.) thoroughly clean filter with dechlorinated water and move back to display tank
13.) moving forward... WATER CHANGES, REDUCE YOUR LIGHT, and KEEP YOUR TANK CLEAN. This didn't happen overnight, and now it's out of control.

 

[mootay]

How fast did that happen?

Is that something that can happen overnight?

I manually remove a lot of it and it takes a couple of days to coat the tank again.

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[Roboto]

I manually remove a lot of it and it takes a couple of days to coat the tank again.

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That's impressive.
If it were me, if petco is still having that $1/gallon sale I'd go buy a new tank and start over.

 

[vanostav61]

Wow, this definitely needs a tear down and start over. Not a big deal, I tore down my 75 Gallon three times in one year.