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SpaGuard Spa Calcium Hardness Increaser is a granular formula designed to safely raise calcium hardness levels in your spa water to the optimal 200-400 ppm range. By preventing corrosion and etching caused by low calcium, it extends the life of your spa’s plumbing, jets, and surfaces. Compatible with all major sanitizers, this easy-to-use product ensures crystal clear water and reliable protection, making it a top choice for spa owners seeking hassle-free maintenance and long-lasting equipment care.
| ASIN | B007ZUD2IU |
| Best Sellers Rank | #1,138 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #8 in Swimming Pool Balancers |
| Brand | SpaGuard |
| Brand Name | SpaGuard |
| Customer Reviews | 4.7 out of 5 stars 3,892 Reviews |
| Item Form | Powder |
| Item Weight | 12 ounces |
| Manufacturer | SpaGuard |
| Manufacturer Part Number | 42257BIO |
| Manufacturer Warranty Description | Returns are not accepted on opened or used items and are subject to a 20% restocking fee. |
| Model Number | BIO42257 |
| Package Size Name | Single Pack |
| Product Benefits | Prevents Corrosion |
| UPC | 017541612326 017541646123 |
| Unit Count | 12 Ounce |
A**R
Great value
Great value and product was ready to use and worked instantly.
B**J
Works good at a fair price
Granulated powder perfect for my hot tub. Works good and a fair price.
L**S
Soft water cure
Have to use this every time I change the water in our hot tub. Works well!
J**K
Easy to add.
Easy to add and calculate based on the hardness scale on the bottle.
M**.
Clear water
Cleared my hot tube right up
D**N
prompt delivery
Prompt delivery. Reasonable price.
O**E
Works great
This works as well as any product you would buy at a pool supply
A**R
Spa Guard
Worked great
Trustpilot
1 week ago
5 days ago