Aquascape Black Silicone offers superior adhesion to most surfaces including plastic, rubber, rock, concrete, masonry, metals, and more. A premium neutral-cure RTV silicone, it can be used to form a water-tight seal on your Aquascape Skimmer and Biofalls filter. It can also be used as a sealant between your fish-grade liner and the Skimmer faceplate or Biofalls snout.
Simply add a consistent quarter-inch thick bead on or just alongside the threaded inserts on the Skimmer and Biofalls filter units. Allow silicone to dry for 30 minutes before allowing contact with water. Aquascape Black Silicone is water-tight, weatherproof, fish-safe, and permanently flexible. Made in the U.S.A.