I have a problem with snails in my 3 ft tank, they are small brown round ones. not sure of the name. Ive been reading the forum on how to get rid of them, and have been killing them for a few months at water changes and feeding less.It works for a few weeks then bam there is a outbreak again. My guess is they have set up breeding in my canister filter. I dont want to medicate the tank.i have a colony of peppermint bn's. Is stripping the tank,letting all the wood dry out for a few weeks, replacing all of the gravel and all filter material the best way to totally eradicate them?