Buy new: $22.99
2 used & new from $22.99
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Review & Description
FAST ACTING AND POWERFUL!
15% Stronger than regular HTH Shock and contains 53% available chlorine. This fast dissolving formula is made from a patented process. HTH Super Sock it is ideal for weekly shock treatments and killing algae.
Calcium Hypochlorite
Dosage: 1 lb. per 12,000 gallons. Read more
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