4-Way Aqua Sparkle Test Strips These 4-way test strips provide a quick and simple way to test your swimming pool & hot tub water. They offer tests for free chlorine, bromine, pH and total alkalinity. These 4-way test strips are perfect for all swimming pools and hot tubs whether they are commercial swimming centres or back garden hot tubs. Key Features: - Aqua Sparkle 4-Way Test Strips- Easy-To-Use- Total Alkalinity
