Calcium Hardness Increaser 16oz
Calcium Hardness Increaser 16oz
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30-Day Hassle-Free Returns
30-Day Hassle-Free Returns
Not satisfied? Return your order within 30 days for a full refund or exchange — simple and easy.
✔ Easy return process
✔ Fast refunds
✔ No hidden conditions
Fast U.S. Shipping
Fast U.S. Shipping
We ship within the United States only — no international delays.
✔ Processing time: 1–2 business days
✔ Delivery time: 3–7 business days
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About This
- Safely raise the calcium hardness levels in your spa water
- Stop and prevent the corrosion of your spa's surfaces
- Compatible with all systems including bromine, chlorine, mineral sanitizers, and biguanide
- For Use in All Spas and Hottubs
Overview
- Brand : SpaPure
- Item Weight : 16 ounces
- Item Form : Granular
- Product Benefits : Corrosion
- UPC : 025551710581 025551721402

Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.
👉 Softer skin and smoother hair with every shower.
👉 Prevent scale buildup and keep your appliances running efficiently.
👉 Softer, brighter clothes that last longer with every wash.
See the Difference in Your Water — Instantly
Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.
Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.
Feel the difference in every drop — from your kitchen to your shower.
FAQ
Water Filtration & Home Water Guide