At the End of My Rope

[Proteus]

Nitric acid is none destructive to plant cells used in low doses. When I use it it's a ml at a time. I have used it for years in horticulture. But u are right it may upset chemisty in water. Though I think it 200 gallon 1 ml is minor. I shall look into it

[noirsphynx]

I threw 5 peppermints in my 20 gallon and within a week it's been cleaned up, not one aiptasia to be seen.