... 3) Excellent weatherproofing 4) Environment friendly SY-125 Silicone sealant special for Aquarium Product descriptionSY-125 Silicone sealant (big board, special for ... , such as aquariums, fish tanks, showcase, etc.Restrictions on UseSY-125 is not fit for structural usage. It should NOT be ... and repair with our products that can adhere well. SY-125 Silicone sealant special for Aquarium