Water Resistant And Non-Solidifying 
Superb Llubrication 
For Rubber 0-Rings. 
Boss 820 Pool and Spa Lube is a silicon dioxide thickened,high molecular weight dimethyl polysiloxane-based material. It is a stiff, tacky dielectric compound with excellent water repellency 
Excellent release agent and lubricant for rubber and plastic parts such as O-rings, valves or plastic gears