18
Test 7 ALKALINITY (TOTAL)
Range 0 - 500 mg/l (ppm)
Method: Acid & Indicator Yellow - Green - Blue
1
Fill test tube with sample to the 10ml mark.
2
Add one
Alkaphot
tablet, crush thoroughly and mix. Ensure all of the
particles have dissolved completely.
3
Allow to stand for one minute.
4
Take photometer reading.
Reagents: Alkaphot Re-Order Code: AP 188
Test 8 CALCIUM HARDNESS
Range 0 - 500 mg/l (ppm)
Method: Murexide Indicator
Violet - Orange
1
Fill test tube with sample to the 10 ml mark.
2
Add one
Calcicol No 1
tablet, crush and mix to dissolve.
3
Add one
Calcicol No 2
tablet, crush and mix to dissolve.
4
Stand for two minutes.
5
Take photometer reading.
Reagents: Calcicol No 1 and No 2 Re-Order Code: AP 252
Summary of Contents for Pooltest 25
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