An easily applied, black acetyl-oxy curing silicone sealant. Meaning it releases a vinegar like smell while curing, releasing acetic acid. Specifically developed for sealing aquarium and pond products. Adheres to smooth and non-porous substrates such as glass and metal, reacting with moisture to form a durable and high strength flexible waterproof seal. CAULK GUN REQUIRED, not supplied. Easy to Use: Surfaces must be clean and dry. Gun the sealant firmly into the joint to provide a solid fill. The sealant may be leveled using a wet stick or spatula. Tack free in approx. 15 minutes and fully cured in 1-5 days. Please ensure silicone has fully cured before use. Aquarium Silicone Sealant designed for all types of aquarium repairs. Premium Aquarium Silicone Sealant 10oz Caulk in Black
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