Hot Tub Serum Willy | Oil-Absorbing Spa Sponge Type_Fire Starters SilkGuard® Technology attaches to hard

SilkGuard® Technology attaches to hard water minerals and metal surfaces

Three stainless steel gas burners

Cartridge Filter: clean filter and filter tank thoroughly

quick dial-in temperature range

More surface means more places to capture dirt and oils

Hot Tub Serum Willy | Oil-Absorbing Spa Sponge Type_Fire Starters SilkGuard® Technology attaches to hardWilly is part of Hot Tub Serum's line of oil absorbing sponges a simple, chemical free way to keep your spa water clean. It floats on the surface and quietly soaks up the body oils, lotions, makeup, and other contaminants bathers leave behind, capturing them before they clog your filter or form scum lines on the shell. Those oils are the root of some of the most common spa annoyances. Left in the water, they collect at the surface and along the