9
Test 15
CHLORIDE
Range 0 -
500
mg/l (ppm)
Clear - Cloudy
1 Take a clean test tube. Using the Measuring Syringe (PT 361) add 1 ml of
pool water. Fill test tube to the 10 ml mark with deionised water.
2 Add one ACIDIFYING CD tablet, crush and mix to dissolve.
3 Add one CHLORIDOL tablet and allow to disintegrate for at least two minutes.
A cloudy solution indicates the presence of chloride.
4 Crush any remaining undissolved tablet, mix and then take photometer
reading. Use the light cap whilst taking reading.
Test 16
TOTAL HARDNESS
Range 0 - 500 mg/l (ppm)
Pale Purple - Purple
1 Fill test tube with sample to the 10 ml mark.
2 Add one HARDICOL No 1 tablet, crush and mix to dissolve.
3 Add one HARDICOL No 2 tablet, crush and mix. Ensure all particles are dissolved.
4 Stand for two minutes
5 Take photometer reading.
Test 17
ALUMINIUM
Range 0 - 0.50 mg/l (ppm)
Yellow - Pink
1 Fill test tube with sample to the 10 ml mark.
2 Add one ALUMINIUM No 1 tablet, crush and mix to dissolve.
3 Add one ALUMINIUM No 2 tablet, crush and mix gently to dissolve. Avoid vigorous
agitation.
4 Stand for five minutes.
5 Take photometer reading.
