 How much chlorine should I use in my pool? These charts will give you an estimate of how much chlorine to buy and use. Our suggestions for a season’s supply are based on past experience in a 4 month season, with average weather. If you live in a warm weather climate or keep your pool open much longer, please base your seasonal use on these factors. Your actual use will depend on such variables as: type of filter, local weather, bather load, closeness to trees and plants, careful water testing etc. Always read directions carefully and use all chemicals as directed on the label.  ROBELLE CHLORINE USEAGE (Daily and Seasonal)* PRODUCT DOSE PERIOD PER GALLONS OF POOL WATER 2,500 5,000 7,000 10,000 13,500 20,000 25,000 30,000 3” Jumbo Tabs ** 3” round / 8 oz. tabs per week estimated for 4 month season — 1 tablet 1 - 2 tablets 2 tablets 2 - 3 tablets 3 - 4 tablets 4 - 5 tablets 5 - 6 tablets — 9 lbs 13 lbs 17 lbs 26 lbs 35 lbs 43 lbs 51 lbs 5 in 1 Multi-Purpose Tabs ** 8 oz. tabs per week estimated for 4 month season — 1 tablet 1 - 2 tablets 2 tablets 2 - 3 tablets 3 - 4 tablets 4 - 5 tablets 5 - 6 tablets — 9 lbs 13 lbs 17 lbs 26 lbs 35 lbs 43 lbs 51 lbs Chlorinating Sticks ** 8 oz. sticks per week estimated for 4 month season — 1 stick 1 - 2 sticks 2 sticks 2 - 3 sticks 3 - 4 sticks 4 - 5 sticks 5 - 6 sticks — 9 lbs 13 lbs 17 lbs 26 lbs 35 lbs 43 lbs 51 lbs 1” Feeder Tabs ** 1” round / 1/2 oz. tabs per week estimated for 4 month season 2 - 4 oz 6 - 8 oz 10 - 12 oz 12 - 14 oz 14 - 16 oz 26 - 30 oz 34 - 40 oz 40 - 48 oz 5 lbs 9 lbs 13 lbs 17 lbs 26 lbs 35 lbs 43 lbs 51 lbs Concentrated Granules ** every 2nd day estimated for 4 month season 1 oz 2 oz 3 oz 3 - 4 oz 5 - 6 oz 6 - 8 oz 8 - 10 oz 9 - 12 oz 4 lbs 8 lbs 12 lbs 16 lbs 23 lbs 32 lbs 40 lbs 47 lbs Chlorinating Quick Tabs ** 2 oz. tabs per day estimated for 4 month season — 1 tablet 1 tablet 1 - 2 tablets 2 tablet 2 - 3 tablets 3 tablet 4 tablet — 10 lbs 15 lbs 19 lbs 29 lbs 38 lbs 46 lbs 55 lbs Granular Chlorinator ** per day estimated for 4 month season 2 oz 3 - 4 oz 5 - 6 oz 6 - 8 oz 9 - 11 oz 13 - 15 oz 16 - 18 oz 19 - 22 oz 15 lbs 30 lbs 45 lbs 52 lbs 75 lbs 100 lbs 125 lbs 150 lbs * The amount of chlorine you will need to add to your pool water is affected by many factors. These include high water temperatures, heavy pool usage, and heavy rainfall and pH levels of the pool water. It is important to measure your free available chlorine level often and adjust your dispenser as needed to increase or decrease the flow. ** Read labels and follow instructions carefully before adding any chlorine to your chlorinator or floating dispensers.  | | | |
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