Aquarium Sealant Calculator

Calculate the amount of silicone sealant needed for building or repairing an aquarium.

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How It Works

Only use 100% silicone labeled safe for aquariums — never use silicone with anti-mold additives as they are toxic to fish. Clean old silicone completely with a razor blade before resealing. Allow 48-72 hours of cure time before filling. Buy an extra tube as having too little mid-job means starting over.