Our granular chlorine is 99% sodium Dichlor. Dichlor resists UV light, lasting longer than other types of chlorine. It is pH neutral, saving time and money on corrective chemicals. It is 100% soluble--add directly to skimmer with no calcium residue.
3oz treats 10,000 gallons every other day or as needed.
Compare to Pace®, Biogard®, and Sun®. Available chlorine 55.5%