AquaStik Underwater Epoxy Putty by Two Little Fishies
AquaStik Stone Grey. Underwater Epoxy Putty for marine and freshwater aquariums, Ponds and Paludariums. Also useful in Reptile & Small Animal habitats. Neutral color. Non-toxic to fish, plants & small animals. Cures dry, damp, or underwater. 114g (4 oz.)