25
Test 34 CALCIUM HARDNESS (SALT POOL CALIBRATION)
Range 0 - 500 mg/l (ppm)
Method: Murexide Indicator
Violet - Orange
6
Fill test tube with sample to the 10 ml mark.
7
Add one
Calcicol No 1
tablet, crush and mix to dissolve.
8
Add one
Calcicol No 2
tablet, crush and mix to dissolve.
9
Stand for two minutes.
10
Take photometer reading.
Reagents: Calcicol No 1 and No 2 Re-Order Code: AP 252
TDS Test TOTAL DISSOLVED SOLIDS
Range 0
-
10,000 mg/l
TDS Sensor (Optional Accessory)
1
Remove transparent protective cap from the end of the TDS Sensor. Turn
on the sensor.
2
Pour 10-20 ml of pool water into the transparent cap.
3
Dip the sensor into the water in the container.
4
Note the reading on the sensor display.
The sensor can be set to display the reading in units of ppm or ppt. If
the reading is displayed in ppt then multiply this result by 1000 to
convert into ppm.
Usually, the TDS content of the pool water is reported in mg/l (ppm).
5
Remove the sensor, rinse probe in clean water. Switch off and replace
cap.
For calibration of your TDS sensor, use the instructions provided with the
sensor.
Summary of Contents for Pooltest 25
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