Aqua Lube is a multi-purpose lubricant and sealant that is compounded specifically to cling to metal and O-ring surfaces. It provides long term lubrication and prevents corrosion. It is designed to seal out water and contaminants. Aqua Lube is particularly effective on bearings, water pumps, O-rings, gaskets, water filters, motors and valves that must operate in hot or cold water, pool chemicals or salt water. A must for the pool or spa do-it-yourselfer !