Say goodbye to pool problems and hello to crystal-clear water with QT MURIATIC ACID! This 20 degree baume, 31.45% concentration hydrochloric acid is your go-to for balancing pH levels in your swimming oasis. Not just for pools, it's also perfect for sprucing up brickwork, prepping concrete for that perfect seal, and giving your island home a fresh look. Dive into maintenance made easy with this versatile solution in a quart-sized bottle!