Chlorine PH & Alkalinity Test Strips, 3in1 for Hot Tub, Spa, Pool Pack of 6

Swimming Pool Kit - Chlorine, pH Increaser/Reducer, & Algaecide. Easy Colour Match System - Dip the water quality testing strip fully into the water, remove and hold horizontally then read against the coloured chart on the side of the bottle in 30 seconds. - Manufacturers part number: DL108

• Great for Dellonda Inflatable Hot Tubs & Pools and all other brands of Hot Tubs, Swimming Pools, Ponds and Spas. Pack of 6 x 50 test strips.
• Plenty to Use - Supplied in packs of 50 which should allows you to test the water multiple times a week.
• Easy Colour Match System - Dip the water quality testing strip fully into the water, remove and hold horizontally then read against the coloured chart on the side of the bottle in 30 seconds.
• 6 x50 Strip Packs of 3-in-1 -Tests Chlorine, PH & Alkalinity Test Strips
• Bigger Pack, Better Value – Save Pounds!