Yourspa Non Chlorine Shock 1Kg x 6 Pack for Hot Tub Spa Swimming Pool Chemicals
Maintain free chlorine levels in the range pools: 1 - 3mg/l (ppm); spas 3 - 5mg/l (ppm). Maintain bromine levels in the range pools/spas: 3 - 5mg/l (ppm).
Maintain free chlorine levels in the range pools: 1 - 3mg/l (ppm); spas 3 - 5mg/l (ppm). Maintain bromine levels in the range pools/spas: 3 - 5mg/l (ppm).