6 IN 1 Pool Spa Hot Tub Water Test Strips Kit 50Pcs (5 x 10 Moisture-proof packages) -Quick Detect For PH, Total Chlorine, Free Chlorine, Total Alkalinity, Cyanuric Acid (Pack of 1)

Seba Nutrition - 6 IN 1 Pool Spa Hot Tub Water Test Strips Kit 50Pcs (5 x 10 Moisture-proof packages) -Quick Detect For PH, Total Chlorine, Free Chlorine, Total Alkalinity, Cyanuric Acid (Pack of 1)

Clearwater CH0009 Water Clarifier for Hot tub Spa and Swimming Water Treatment for Pristine Crystal Clear Water, 1 Litre

Clearwater CH0019 1 kg Multifunction Chlorine Tablets, 4-in-1 Dispenser Tablets (Sanitiser, Stabiliser, Algaecide and Clarifier) for Pools and Hot Tubs, 50 x 20 g, White