palintest Pooltest 3 - Test Instructions: Calcium Hardness

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Fill tube with sample
to the 10 mL line.
Add one Calcicol No 2 tablet,
crush and mix.
Add one Calcicol No 1 tablet,
crush and mix.
2
Calcium Hardness - Calc & Calc NaCl
Colour Change:
Violet to Orange
Range:
0 – 500 mg/L CaCO
3