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Sirona
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Sirona® Spa Down

$12.99
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Product Overview

Maintain the perfect pH balance in your spa with Sirona® Spa Down, a powerful, granular formula designed to quickly lower both pH and total alkalinity. Ideal for spa and hot tub owners who want to prevent scale buildup, protect equipment, and enhance sanitizer effectiveness, this product delivers fast, reliable results.

Crafted for ease of use, Spa Down dissolves rapidly with no pre-mixing required—simply broadcast the recommended amount across your spa’s surface while the jets or air blower run. Within minutes, it adjusts water chemistry toward the ideal pH range of 7.2–7.6 and total alkalinity of 80–120 ppm, ensuring swimmers experience softer, more comfortable water.

Regular use helps maintain balanced water, reducing eye and skin irritation and protecting surfaces and components from corrosion or scale. Spa Down is compatible with all sanitizer systems—including chlorine, bromine, and non-chlorine formulas—making it a smart choice for any spa setup.

Packaged in a convenient container with easy-to-understand dosing instructions based on spa volume, Sirona® Spa Down makes water maintenance simple and effective. Keep your spa inviting and hassle-free with Spa Down—your go-to solution for balanced, comfortable, and crystal-clear spa water.

Why the Pros Choose This

Our Northlake technicians use this exact product on over 400 local pools every single week. Here is why it works.

Fast Acting Formula

Commercial grade concentration means you use less product to achieve faster results compared to big-box store alternaitves.

DFW Water Optimized

Specifically selected to perform perfectly in Texas' notoriously hard, mineral-rich municipal water supplies.

Safe For Surfaces

When dosed correctly, this product protects your plaster, vinyl liner, or fiberglass finish from premature wear.

Free PDF Guide

Get Our Local DFW Pool Maintenance Checklist

Stop guessing. Download the exact month-by-month checklist our certified technicians use to keep Texas pools crystal clear year-round.

Value: $49

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