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Free Chlorine Chemkey Reagents (Qty 300)
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Free Chlorine Chemkeys, range 0.04 - 4.00 mg/L Cl2. For SL1000/SL250 Portable Parallel Analyser (PPA). 12 boxes of 25 (300 tests total quantity).
USEPA accepted for reporting in drinking water analysis using Hach Method 10260.