has any one used spray foam/ expandable foam/ great-stuff spray foam to make any decor in freshwater aquarium? any input will be appreciated.
Tetra makes pond sealing foam safe for fish, but one of the marketing person had replied that it is meant "only" for outdoor pond use.
hi, wanting to try my hand at making a 3d background for my 140 gallon. I want to be able to use concrete, but have come across a million issues when it comes to sealants etc.
I stumbled across this product made by quikrete called high n' dry, which uses some sort of crystallization process...