Loctite® 100% Silicone

Watertight interior and exterior seal.

Loctite SI 5366 Silicone Sealant/Adhesive 310ml

Everyone recommended this silicone but it says not safe for aquariums : r/Aquariums

The Loctite Polyseamseal 100% Silicone Sealant is a 100% silicone formulation that creates a tough, watertight, mildew resistant seal. It makes fast work of sealing your kitchen and bath and has a fast-dry system that withstands water contact 2 hours after application. This 100% Silicone withstands temperature extremes of -65 degreesF to 300 degreesF making it ideal for Heating and Cooling (HVAC) applications and is highly resistant to ultraviolet light and other environmental elements.

Loctite 1508974 Clear Polyseamseal 100% Silicone Sealant Tube, 10 oz

Welcome to Würth

Loctite 1508975 White Polyseamseal 100% Silicone Sealant Tube, 10 oz : : Tools & Home Improvement

Henkel Loctite 5055 UV Curing Silicone Adhesive 1 L Bottle

Silco RTV 45 Silicone Sealant

Loctite® Polyseamseal® White All-Purpose Adhesive Caulk - 10 oz

Loctite Sealants, Decorating tools & supplies

Loctite Silicone Waterproof Multipurpose Adhesive Sealant 2.7 oz. Clear Tube (each) 908570 - The Home Depot