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AquaDoc Spa Calcium Hardness Increaser for Hot Tubs - 32 oz
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 11, 2026 4:13 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
MAV Aqua Doc
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Supports proper water hardness. AquaDoc's Spa Calcium Increaser for hot tub helps bring hardness levels into the ideal range, reducing the risk of soft water damage and helping protect spa surfaces, heaters, and other components.
✓Helps Reduce Corrosion and Surface Wear - Maintaining the right hardness level supports stable water conditions. This formula helps limit corrosion, pitting, and surface etching so your spa can stay in better condition for longer.
✓Quick-Dissolving Granules - The fine, fast-acting granules disperse easily in spa water. Add the directed amount, circulate for 1 to 2 hours, and retest to ensure your spa stays within the recommended hardness range.
✓Supports Clearer, Balanced Water - Proper hardness contributes to better overall water balance, helping minimize cloudiness and scaling. This makes routine water care easier and keeps your soaking experience more enjoyable.
✓Made In The USA - At AquaDoc, we make high-quality hot tub chemicals designed to support long-term spa performance and comfortable water. Proudly made in the USA with consistent quality standards.
⚙️ Specifications
Brand
MAV AquaDoc
Item Weight
2 pounds
Item Form
Granular
Product Benefits
Increases Calcium Hardness Levels
UPC
850026022728
Brand Name
MAV AquaDoc
Number of Packs
1
Package Size Name
32 oz
Unit Count
32 Fluid Ounces
Item Highlight
Calcium Chlorine Liquid to Help Boost Calcium Levels for Balanced Water - Hot Tub Chemicals Made in USA
Manufacturer
MAV AquaDoc
