Silver label Silicone Sealer is completely safe for the fish or any other pond life. Bonds and seals underwater.
For best results clean all surfaces to be free of grease, algae, etc. Place Gold label Underwater Sealer directly onto the surface you wish to bond/seal.
Silver label Silicone Sealer for Full cure needs 24 hours, initial tack 2-3 hours.
Silver label Silicone Sealer is black and supplied in a tube ready for application using a mastic gun
Silver Label Silicone Sealant, which cures rapidly on exposure to moisture vapour to form a resilient elastic silicone rubber.