Shop compatible tablet, liquid, and powder reagents for PoolWaterLAB pool and hot tub water testing, including refill kits and mixed-format reagent sets. Match each product to the parameter, measuring range, and test method you use.
Browse by format: Tablet reagents · Liquid reagents · Powder reagents.
View test methods and required supplies · Reagent cost per test
Alkalinity-M Reagent Tablets (50) – for Pool Photometers
DPD1 Reagent Tablets (50) – for Pool Photometers
Phenol Red Reagent Tablets (50) – pH Test for Pool Photometers
CYA-Test Reagent Tablets (50) – Stabilizer Test for Pool Photometers
DPD3 Reagent Tablets (50) – for Pool Photometers
Calcium Hardness Liquid Reagents
Refill Tablets – Replacement Reagent Kit (70 Tablets)
Total Hardness Liquid Reagents – Kit to Measure (50 Tests)
Phenol Red Liquid Reagents – for pH Testing (250 Tests)
Copper Reagents – N°1 + N°2 Tablets (100) – Copper Test for Pool Photometers
Phosphate LR Reagents – N°1 (50 Powder Pillows) + N°2 (50 Tablets)
Iron LR Reagent Tablets (50) – for Pool Photometers
Glycine Reagent Tablets (Glycine) (50) – for Pool Photometers
Alkalinity Liquid Reagents Alka-M – 110 Tests
Phosphate HR Reagents – N°1 + N°2
Chlorine HR KI Reagents – 50 Powder Pillows
DPD No. 2 Reagent Tablets (50) – Combined Chlorine (Chloramines) for Pool Photometers
Copper Zinc LR Reagent Tablets (50) – for Pool Photometers
DPD N°4 Reagent Tablets (50) – for Pool Photometers
HYD Peroxide HR Reagent Tablets (High Range) (50) – for Pool Photometers
Acidifying GP Reagents – 50 Powder Pillows
Aluminum N° 1 + N° 2 Reagent Tablets (50 Each / 100 Total) – for Pool Photometers
PHMB Reagent Tablets (50) – for Pool Photometers
Nitrite LR Reagents – 50 Powder Pillows
