Maybe a data point on PS and snail control.... I stocked my PS when I had effectively no vegetation, and no snails, in the pond. I now have significant vegetation of several species. Although I have mechanically removed submerged vegetation several times, I have yet to find a snail. Maybe PS are more effective at snail control when you give them a head start on the snail population?

Last edited by Bill D.; 09/15/16 08:12 PM. Reason: Clarification

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