how to use a palintest photometer pooltest 6
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Take a sample of water from elbow-depth in your pool
Pour the water sample into a 10ml test tube and secure the lid
Insert the test tube into the photometer and press the "Blank sample" button
Wait until the screen reads 0.0
Add a few drops of the sample water into a clean test tube
Add a Palintest DPD1 tablet and crush and mix it with the water
Fill the test tube with sample water to the 10ml line
Insert the test tube and press the "Read sample" button
The results will be displayed on the screen in parts per million
To test the total chlorine, add a DPD3 tablet to the existing sample and crush it
Leave it to stand for two minutes
Reinsert the test tube into the photometer and take the reading as before
To test pH, fill a clean vial with sample water to the 10ml mark
Add a Phenol Red tablet and crush it
Insert the test tube into the photometer and press the "Read sample" button
To test total alkalinity, add an Alkaphot tablet to 10ml of sample water
Crush and mix the tablet, then let it stand for 1 minute
To test the cyanuric acid level, fill the vial with 10ml of sample water
Add a cyanuric acid tablet and let it stand for 2 minutes without crushing
Any remaining tablet can be crushed after 2 minutes