Dellonda Universal 3in1 Chlorine, PH & Alkalinity Test Strips Hot Tub, Spa, Pool – DL32
- 3-in-1 – Tests Chlorine, PH & Alkalinity of water.
- 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.
- Great for Dellonda Inflatable Hot Tubs & Pools
- Plenty to Use – Supplied in a pack of 50 which should allow you to test the water multiple times a week through the summer season.
- Perfect for checking the water quality of Hot Tubs, Swimming Pools, Ponds and Spas.