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    How to check pool water with reagentts

    HOW TO GET SWIMMING POOL

    BOXES FOR SWIMMING POOL AND MASSAGE

    DIRECTIONS : Do not leave the residue in the test tube. Rinse and dry the test tube after each test. Keep the bottles upright to drip for accuracy. Take a test bed at a depth of about 450mm and stay away from the mouth of clean water return to the lake. The reagent must be white when used. Do not touch the test water by hand because it can lead to wrong results.

    1 / Clor test with DPD # 1 reagent

    1. Pour water into the test tube as small as the horizontal line
    2. Put 1 DPD into the tube
    3. Cover the test tube and turn it several times to allow the drug to dissolve. (15-35)
    4. Compare the color in the tube with the standard color for the result.

    Try the Acid Demand (if pH is above 7.8).

    1. For each drop of solution 3, count the number of drops after each small time until the color of the test water reaches 7.6 ppm
    2. See the table of acid solution to use to add acid to the lake for the appropriate.

    2 / pH test (standard range from 7.2 ppm to 7.6 ppm)

    1. Pour water into the test tube as large as the top line.
    2. Add 1 drop of solution 4 and mix well.
    3. Add 5 drops of solution 2 and mix well, then compare the color of reagent with standard color to see the result.
    4. If the result is above 7.8 ppm, it may be acid demand with reagent number 3 but still use the water sample tested above. Check and balance total alkalinity (if necessary) before pH equalization.

    4 / Test the total alkalinity

    1. Pour water into the test tube as large as the bottom line
    2. Add 1 drop of solution 4 and shake
    3. Add 2 drops of solution 5
    4. Dilute each drop of solution # 3 (shake well after each run) and count the droplets sufficiently to turn the color into either colorless or light yellow.
    5. Multiply the drop number 3 by 10 (eg 10 drops = 100 ppm) and refer to the attached instructions.

    A GUIDE TO IMPROVING PRECIOUS WATER TREATMENT

    1 / The water in the tank must be circulated before sampling. If you turn off the filter, just operate it for a few minutes.

    2 / Wash the test tool 2 or 3 times before attempting to avoid the effects of the previous test.

    3 / Take water samples at a depth of about 45cm below the water surface.

    4 / Do not take water in the mouth of the pipe to return clean water. Because this water has been filtered and may have been treated with chlorine, it will be different from the water remaining in the tank.

     

    5 / The test water temperature should be between 15 ° C and 27 ° C.

    6 / Should try after sampling.

    7 / Keep the water sample taken, close the lid and prevent access to light and temperature outside.

    (8) Reagents should always be good and new. Change the reagents annually and store them in a dry place where there is no light. Do not swing the lid of the testers.

    9 / For the test specimen on the test specimen.

    10 / Do not switch test instruments.

    11According to the complete guide. If the request is 5 drops, we drip not less than no less.

    12 / Place the reagent vertically vertically above the test equipment and drip each drop.

    13 / Shake the sample. Use the lid, not the finger, not shake when mixing, only turn in a circle, or slope up the tube several times.

     

    14 / Read the results in good light. Keep the test equipment at eye level. Do not wear sunglasses or read the sun rays immediately.

    15 / Do not empty the tested sample into the tank. Clean tools after washing.

    16 / Keep chemical and reagents out of reach of children.

    IN ACCORDANCE WITH THE GUIDELINES AND USE OF GOOD AND VERY GOOD CHEMICALS FOR YOUR LIVING IN GREEN AND CLEAN

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