100 Rapid Tablets 50 x pH value DPD1 Free Chlorine for water testers and swimming Pool Tub Spa Refill pack Accessories

🏊 100 TABLET COMBO PACK: Includes 50x Phenol Red tablets for pH testing and 50x DPD1 tablets for free chlorine/bromine testing. The ideal refill pack for regular water checks in swimming pools, hot tubs and spas. 🔄 FOR MANUAL POOL TESTERS: Suitable for manual pool test kits, visual block comparators and colour comparison testers that use DPD1 and Phenol Red tablets. Manual tester device not included. 📊 CLEAR ALTERNATIVE TO TEST STRIPS: Compared with many classic pool test strips, reagent tablets in aluminium blisters are well protected from moisture and allow a clear visual colour comparison with your manual tester. ⚡ RAPID DISSOLVING & EASY TO USE: The tablets dissolve quickly in water for a straightforward visual reading. Add the correct tablet, shake gently until dissolved and compare the colour with the scale of your pool tester. 🛡️ SEALED IN ALUMINIUM BLISTERS: Each tablet is individually sealed and protected from air and moisture. This helps prevent clumping and provides a shelf life of up to 10 years from the date of manufacture. Not suitable for photometers or digital testers.