Features

• 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 alow 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.