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AquaDoc Spa Calcium Hardness Increaser for Hot Tubs - 14 oz
✅ In stock
F
Grade
Price verified Nov 12, 2026 9:58 PM · 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
✓Make balancing your water easier & more cost effective with AquaDoc's calcium hardness increaser. Our spa calcium hardness increaser is vital to ensuring proper water hardness levels in your hot tub. AquaDoc's Calcium Booster gets your hardness up.
✓Avoid corrosion, etching, and staining - AquaDoc's Professional Grade Hot Tub Calcium increaser is your best defense against soft water in your hot tub or spa. Guard calcium levels from decreasing too low with our spa Calcium booster for hot tubs.
✓How it works - AquaDoc's Hot Tub Calcium hardness Increaser works to raise your water's hardness level to ensure properly balanced hot tub water. Our spa hardness increaser easily works to raise your Calcium levels by 10ppm increments or more.
✓The Hardness Increaser Hot Tub Owners Love - When it comes to Spa Chemicals calcium hardness increaser is a must have. Without hot tub chemicals calcium hardness can become unbalanced. Always have a hot tub calcium booster ready and waiting.
✓Easy to Use, Made in the USA - (1) Check your calcium levels, (2) 1 ounce of AquaDoc's Calcium increaser will boost water's hardness level by 10ppm. (3) After determining hardness level goal, add proper amount of increaser while equipment is on. (4) Run filter for 1 - 2 hours, wait 20 minutes, then retest water.
⚙️ Specifications
Brand
MAV AquaDoc
Item Weight
14 ounces
Item Form
Granular
Product Benefits
Corrosion
UPC
850026022131
Brand Name
MAV AquaDoc
Number of Items
1
Unit Count
14 Fluid Ounces
Item Highlight
Calcium Chlorine Granules to Help Boost Calcium Levels for Balanced Water - Hot Tub Chemicals Made in USA
Manufacturer
MAV AquaDoc
Model Number
CLINC
