Hot Tub Serum Willy | Oil-Absorbing Spa Sponge Flue & Chimney which is why tablet-fed pools

which is why tablet-fed pools need acid corrections in one direction and then base corrections in the other

To ensure effective phosphate removal

and coat your plumbing

Do not enclose in the wall or install below grade

Kills and prevents green

Hot Tub Serum Willy | Oil-Absorbing Spa Sponge Flue & Chimney which is why tablet-fed poolsWilly 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