POOLSTONE LARGE BLOCK — PoolStone environmentally friendly cleaning blocks provide powerful, effective, and safe cleaning for pools and spas without the use of chemicals. PoolStone removes hard water stains, rust, mineral build-up, mold, and mildew stains with ease. PoolStone is made from recycled materials and saves the equivalent of 1 glass bottle from being added to landfills per stone.
Safe on most pool surfaces including tile, grout, concrete, and gunite. Remove calcium, limescale, rust, mildew, and more! PoolStone cleans tile, grout, concrete, and gunite.
Larger size for cleaning large areas. The economical way to clean your entire pool! PoolStone Large Block is 6" x 3" x 3" .
WYSIWASH FLOW CONTROL VALVE — Combines the function of the Pivot Connector, Flow Control Handle, and Male Quick Connector in one quality product. It is compact, lightweight, and has an attractive anti-corrosion coating. The Flow Control Valve has a direct flow-through design that will offer greater utility and function in applications where water with higher mineral content causes problems.