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* Estimated stock levels as of Mon, Nov 18, 2019. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availablity of items marked as Limited Stock.
Use to build or repair aquariums. Provides a waterproof and watertight seal. Harmless to fresh and saltwater fish when cured. Will not crack or shrink. Meets ASTM Specification C290, Class 25, Type S, Grade NS.