I wonder how tolerant they are of pH changes? I see where they prefer acid water. But, from what I've read they seen to do OK in ponds and Brook Trout love them. They're sold as bait too.

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).