SpaGuard Calcium Hardness Increaser Raises calcium levels.
- 1 tbs. per 100 gallons increases calcium hardness ~25ppm
- Prevents corrosion of equipment due to low calcium hardness
- Prevents etching of plaster due to low calcium hardness
SpaGuard Calcium Hardness Increaser 12oz.
Original price was: $2.99.$1.90Current price is: $1.90.
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