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Discussion Starter · #1 ·
I was wondering if I could add hydrogen peroxide to my plant only tank.

One of the plants I recently purchased has develop a white Fungus on it. I think it was actually there to begin with but I did not inspect it closely enough before adding it.

Anyway. is hydrogen peroxide ok to add? I think hydroponics growers use it to control pathogens without harming the plants.

I'm not sure about the aquarium side.

Thanks .
 

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You can't just dump it into your tank but you can use it to spot treat some algae and fungus.

When I use it, I turn off all water circulation, spot treat, wait a minute and then siphon out the area around where I treated in a partial water change. That's in sensitive shrimp tanks under 20 gallons in volume. Probably don't need to be as careful in larger tanks.
 

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Discussion Starter · #3 ·
You can't just dump it into your tank but you can use it to spot treat some algae and fungus.

When I use it, I turn off all water circulation, spot treat, wait a minute and then siphon out the area around where I treated in a partial water change. That's in sensitive shrimp tanks under 20 gallons in volume. Probably don't need to be as careful in larger tanks.
I have zero animals in my tank. Not even a scrimp or snail. Its 100% plants in a small 2.6G tank.

"The recommended amount of 3% solution of peroxide per gallon of water in hydroponics is around 3ml per liter or 2-3 teaspoons per gallon of reservoir water. Please note that we are talking about the diluted solution, NOT the 35% concentrated peroxide. "
 

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I have zero animals in my tank. Not even a scrimp or snail. Its 100% plants in a small 2.6G tank.

"The recommended amount of 3% solution of peroxide per gallon of water in hydroponics is around 3ml per liter or 2-3 teaspoons per gallon of reservoir water. Please note that we are talking about the diluted solution, NOT the 35% concentrated peroxide. "
You probably won't see much benefit by merely adding it to the tank. Spot treating is more direct and likely to give you better results.

Since you don't have critters, you could go to town with spot treating and then do some water changes to clear out the gunk.
 
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