Taylor K-1504

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DROP TEST TRACE HARDNESS (1 drop = 0.5 ppm)

COMPONENTS: 1 x 5226 Instruction 1 x 9198B Sample Tube, Graduated, 25 mL, plastic w/cap and blue dot 1 x R-0620B-I Hardness Indicator Powder (blue dot), 10 g 1 x R-0622-C Trace Hardness Buffer, 2 oz, DB 1 x R-0623-C Trace Hardness Reagent, 2 oz, DB.

1. Rinse and fill 25 mL sample tube (#9198B) to 25 mL mark with water to be tested.
2. Add 5 drops R-0622 Trace Hardness Buffer. Swirl to mix.
3. Add 1 dipper R-0620B Hardness Indicator Powder. Swirl to mix. If hardness is present, sample will turn red, go to Step 4. If no hardness is present, sample will turn blue.
4. Add R-0623 Trace Hardness Reagent dropwise, swirling and counting after each drop, until color changes from red to blue. Always hold bottle in vertical position.
5. Multiply drops of R-0623 Trace Hardness Reagent by 0.5. Record as parts per million (ppm) hardness as calcium carbonate.