Where To Buy Good Grade Hydrogen Peroxide In Gta?

[Janice]

I have an All in One, so no sump.

 

[Janice]

And yes, fish and coral

 

[Alexanneka]

www.amazon.ca sells it. I would recommend caution as the only time it mentions using 30% directly is for spot treatment otherwise is the equivalent of 1.25ml 3% per 10 gallon. Best of luck with whatever it is that you're battling.