Master Clear – pH Up 2lbs.
Keep your spa water perfectly balanced with Master Clear – pH Up. This fast-dissolving formula raises low pH levels to help prevent corrosion, protect spa equipment, and improve sanitizer performance. Proper pH balance also enhances water clarity and provides a more comfortable soaking experience. Easy to apply and designed for hot tubs and spas, Master Clear – pH Up helps maintain stable, safe water so you can enjoy your spa with confidence.








