Chlorine Tablets for Swimming Pools Efficient Chlorine Tablets Pools Hot Tubs and Spas Cleaning Tablets Size: 1inch (individually packaged) Gross weight: 1Ibs about 453.5g (about 23 pcs), 2bs about 907.1g (about 45 pcs) Chlorine content: 90% Pharmacy Specification: 20g/tablet Dissolving time: 20g/1 tablet takes 2-5 days to dissolve Shape: White or pale yellow tablet with peculiar smell Usage: Put the chlorinated tablet into the dispenser, use the water system to dilute and dissolve and send it to the swimming pool Dosage: Put into the dosing device, dissolve slowly, make the free residual chlorine content 0.3-0.5MG/L, the recommended dosage is 2 g/cubic water Applicable: Swimming pools, water parks, bathtubs, SPA landscape pools, villa pools, etc.