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HI755 Checker HC ® - MARINE Alkalinity (dHK)
1 × ฿3,104.07 -
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HI705 Checker HC ® - Silica, LR
1 × ฿3,103.00
Subtotal: ฿6,207.07
Reagents for HI 736 Checker HC ®, 25 Tests
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The HI 761 uses an adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample.