DPD3 Reagent Tablets (50) – for Pool Photometers Cyanuric Acid Your original light shield is

Your original light shield is missing

chlorine products – lowering or raising pH)

“marketing-style” pool tester with basic strips and minimal setup

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PoolWaterLAB and Water Tester

DPD3 Reagent Tablets (50) – for Pool Photometers Cyanuric Acid Your original light shield isDPD3 Reagent Tablets (50) for Pool Photometers are photometer compatible replacement refill reagent tablets for accurate pool & spa testing. Key Specs Product type: Replacement refill reagent tablets (consumable) Test parameter: Total Chlorine (Combined Chlorine) & Ozone Format: Tablet reagent (50 tablets) Shelf life: 2 years (sealed, stored properly) What this reagent does DPD No. 3 is a reagent used by compatible photometers to determine Total