MAV AquaDoc pH Down for Pools – 5 lb Sodium Bisulfate pH Decreaser | Made in USA

Balanced pool water, easier maintenance, inviting swimming

Maintaining water with balanced pH isn’t just a number—it's about the feel of the water, the clarity of the surface, and the confidence you have when you swim. MAV AquaDoc pH Down for Pools delivers a practical 5 lb bag of sodium bisulfate to help lower high pH and reduce alkalinity. The dry acid dissolves directly in the deep end, with no pre-mixing required, so you can get to a comfortable, swim-ready balance faster. This solution works well with chlorine, saltwater, and bromine systems, making it a versatile option for many backyard setups. Made in the USA, MAV AquaDoc stands behind quality standards that pool owners rely on during routine maintenance and seasonal shifts.

The result is water that feels balanced, looks clearer, and stays gentle on surfaces and equipment. With simple, straightforward usage and proven compatibility, this pH lowering formula supports a smooth, hassle-free approach to pool care.

Key benefits

• Lowers high pH and alkalinity to help balance pool water
• Fast-dissolving dry acid with no pre-mixing required
• Helps prevent scaling and cloudy water for clearer surfaces
• Safe for chlorine, saltwater, and bromine pools
• Made in the USA under strict quality controls

How to use

For best results, test your water and follow the label for the correct dosage based on pool size. Add the dry acid directly to the deep end and allow the circulating water to move it through the pool. Re-test after dosing and adjust as needed. Many pools reach swim-ready balance within about 15 minutes, depending on circulation and current chemistry.

• Test water and determine the correct amount per your pool size
• Pour directly into the deep end and keep water circulating
• Re-test after dispensing and adjust as needed
• Store in a cool, dry place; use as directed

Quality you can trust

Made in the USA, MAV AquaDoc pool chemicals are formulated to support reliable performance during opening and closing seasons. The pH Down formula pairs with common sanitizers to help maintain clear water and protect pool surfaces while supporting equipment longevity.