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Did you buy them from somewhere that has them in the tank with fish? My supplier has a bucket of solution that he soaks them in for 5 mins before we take them home, he also doesn’t have fish in his plant tanks so I feel good about putting them right in.
I bought a bunch of hornwort from petsmart a while back, rinsed in hot water but nothing else...and now I have a pond snail problem 🙄
You can use hydrogen peroxide if it’s super diluted. I can’t remember the ratio now but I want to say around 2ml per gallon of water. I used to do this for 2-3 mins then rinse really well.
