Robelle 32-Pounds Premium Pool Calcium Up
Calcium chloride-based hardness increaser for pools; helps raise calcium hardness and prevents corrosion or etching. Users note quick dissolution, ease of use, and effectiveness in RO water; some concerns about lid quality and spillage
Highlights
- raises calcium hardness efficiently
- prevents pool etching
- easy-to-use dissolution
Pros
- rapidly increases total hardness
- ease of use
- dissolves quickly
- cost-effective alternative to store-bought chemicals
- helps prevent corrosion or etching
Cons
- lid quality concerns
- potential spillage during use
- mixed bucket durability feedback
Best For
Features
- Calcium chloride for pool water to raise hardness
- Rapidly increases total hardness to help prevent corrosion
- Maintains ideal calcium hardness range of 200-400 ppm
- 8 ounces raises calcium hardness by 10 ppm per 5,000 gallons
