Pond Boss Forums GENERAL QUESTIONS Help poison

I would hate to use bleach and leave the possibility of chlorine compounds in the pond muck.

Hydrated lime in sufficient quantity will kill the fish in a drawn down pond. Once it refills, the diluted lime is non-toxoc, non-carcinogenic, and generally beneficial.

ewest (and mebbe Cecil - ???) has used this method and should be able to advise on the amount required.