DAP 688 Purpose 100% Silicone Raw Building Material, 2.8 oz, Clear, 2 Fl Oz

DAP 688 Purpose 100% Silicone Raw Building Material, 2.8 oz, Clear, 2 Fl Oz Product DescriptionUse 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.From the ManufacturerLong-lasting 100% silicone rubber helps build and repair aquariums. Provides a waterproof, watertight seal. Stays flexible. Won’t crack or shrink. Non-toxic to fresh and saltwater fish when cured. Long lasting 100% silicone rubber helps build and repair aquariums | Waterproof | Stays flexible | Won’t crack or shrink | Non-toxic to fresh and saltwater fish when cured