DPDNo.1 &Phenol RedTablet

DPD No.1 & Phenol Red Tablet

TEST RANGE:

1. PH: 6.8, 7.0, 7.2, 7.4, 7.6 & 8.0

2. CL: 0.3, 0.6, 1.0, 1.5, 2.0 & 3.0 ppm

Instructions for using:

1. Remove the lid and rinse out the compartments with the swimming pool water to be tested.

2. Fill all compartments to the top with the swimming pool water to be analysed. This is

conveniently done by scooping up the water from a few inches below the surface.

3. Add one PHENOLRED tablet to the left hand compartment by tearing open the foil strip

without touching the tablets with your fingers.

4. Add one DPD No.1-tablet to the right hand compartment by tearing open the foil strip

without touching the tablets with your fingers.

5. Replace the lid of the POOLTESTER with the arrows pointing towards to printed front.

6. The tablets will quickly disintegrate. Invert the POOLTESTER several times to mix the

contents thoroughly.

7. Take the readings by holding the POOLTESTER towards natural daylight. Select the nearest

colour match against the colour standards and read off the corresponding values.

8. The value on the left is the pH value.

9. The value on the right is the concentration of free chlorine (mg⁄l).