NuFlex 333 Aquarium Silicone Sealant 300ml

NuFlex 333 is an aquarium-safe silicone sealant in a 300 mL cartridge, made for sealing seams, building glass tanks and bonding aquarium glass without the mould inhibitors found in bathroom silicone.

Key features

• Aquarium-grade silicone with no additives that harm fish
• Bonds and seals glass for repairs or new builds
• 300 mL cartridge fits a standard caulking gun
• Cures to a strong, flexible, waterproof seal

Use only aquarium-rated silicone like this on a tank; general bathroom sealant often contains fungicides that are toxic to fish. Let it cure fully before filling. More aquarium silicone. Available for local pickup at our Lethbridge store.