Set up a 10 gallon for my girlfriends betta that was living in a 1 gallon bowl when I met her. Had it set up with a nice piece of driftwood, some anubias, a ton of java moss tied to the wood, and a pretty decent mass of water wisteria. Other inhabitants were a few ghost shrimp, and 2 nerite snails. The tank ran flawlessly with tons of growth on all the plants for about 10 months, then out of nowhere (still confused about this) without adding anything new to the tank, I had a sudden explosion of TINY snails, at first I thought they might be baby nerites even though they supposedly cant reproduce in freshwater. But the numbers kept increasing, until I was removing between 40 and 50 a day, and the numbers kept increasing, even as I was removing them, more and more started appearing. I upped my water changes, hoping to remove detritus and take away the food source. Next thing I know, the moss suddenly turns brown literally in the span of like 2 days, there are thousands and thousands of these tiny snails on the remnant of the moss (smaller than a pin head, I mean tiny, and they never seem to get bigger) the shrimp all died shortly after the moss went, then a nerite. I'm finally stumped and am wanting to just nuke these little terrorist snails, and kinda go back to square one. I got a bottle of cupramine and want to remove the nerite, and eradicate the tiny ones. The issue I'm having is this, I would eventually like to reintroduce the nerite, and some more shrimp. If I dose with the cupramine, how would I go about removing the cupramine to make the tank save for inverts again? Obviously water changes, but will this stuff soak into the wood and substrate, and render the tank permanently invert unfriendly? Any advice would be greatly appreciated. I've kept fish for decades, and am not an over feeder, and do a 20%ish water change weekly, water parameters are good, though my tap does have a bit of nitrate, but nothing super crazy.