Water in pools and spas should be tested daily, you are aiming to achieve a pH level reading between 7.2 and 7.6 before adding the chlorine. Use pH+ or pH- to adjust if necessary. Pool free chlorine levels must be between 1ppm and 3ppm and spas should be between 3ppm and 5ppm .
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Pool Chlorine Tablet Dispenser Solar Floating Chlorine Dispenser Colorful Downlight Tub Chlorine
Aliexpress UK
1KG (50 X 20g) multifunctional chlorine tablets ( IN RESEALABLE TUB). A new and improved version of the Chlorine tablets. For EASY maintenance of chlorine levels. the rate at which they dissolve will vary depending upon water flow and temperature.
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Swimming pool cleaning chlorine tablets; effervescent pool water treatment tablets for quick
Aliexpress UK
50 x 20g High Quality Multifunctional chlorine tablets are highly effective and formulated to ensure safe bathing by protecting against unwanted algae and bacteria. The multifunctional tablets provide a slow release of chlorine, algaecide and clarifier.
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Swimming Pool Storage Holder Chlorine Tablet Automatic Dispenser Spa Pool Cleaner Swimming Pool
Aliexpress UK
50 x 20g High Quality Multifunctional chlorine tablets are highly effective and formulated to ensure safe bathing by protecting against unwanted algae and bacteria. The multifunctional tablets provide a slow release of chlorine, algaecide and clarifier.
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50Pcs 2g Chlorine Tablets Cleaning Agent Multifunction Instant Disinfection Cleaner For Home
Aliexpress UK
Prevent chlorine loss in direct sunlight while stabilizing them and reducing the amount of chemicals that need to be added. Suitable for your pool or hot tub. Our pool cleaning tablets are effective against bacteria, algae and other organisms.
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1-5pcs Floating Swimming Pool Chlorine Tablet Automatic Dispenser Pool Floating Dispenser Outdoor
Aliexpress UK
Testing the water regularly & always before using the pool or tub is the best thing to do. If the tablets are not coping with the demand then add more or if the chlorine level is too high then reduce the amount.
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Swimming Pool Floating Pills Disinfecting Box with Thermometer Automatic Chlorine Tablet Dispenser
Aliexpress UK
A new and improved version of the Chlorine tablets. For EASY maintenance of chlorine levels. the rate at which they dissolve will vary depending upon water flow and temperature. They have a high level of available chlorine and contain chlorine stabiliser.
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Chlorine Tablet Float Dispenser for 1 & 3inch Pools - 8-Claw Fish Design, Fits Hot Tubs/SPA,
Aliexpress UK
20 x 20g High Quality chlorine tablets are highly effective and formulated to ensure safe bathing by protecting against unwanted algae and bacteria. The tablets provide a slow release of chlorine, algaecide and clarifier.
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Floating Chemical Chlorine Tablet Automatic Dispenser with Thermometer Swimming Pool Disinfection
Aliexpress UK