01-19-2011, 03:43 PM
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Looking for non-toxic fish-safe sealant for terra cotta fountain
I wasn't sure if I should put this under ponds or DIY, but I figured this was more DIY project... Anyway...
I bought fairly wide pot that is a few feet across and maybe 6 inches deep that I want to turn into a fountain that I may end up putting small fish in depending on how everything works out. The pot is a half glazed terra cotta pot so I need to find an inexpensive sealant that is safe for fish and plants alike and that will work on a terra cotta surface. Since I don't know what type of glaze was used on the pot I will probably seal the entire inner surface of the pot, both the glazed and unglazed portion just to be safe and I figured I would use a silicone aquarium sealant to seal around the plastic plug in the bottom of the pot.
Any ideas on what type of sealant would work best for this?