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Water Oto Chlorine Test Color Chart

Water Oto Chlorine Test Color Chart - Fill the chlorine test cell with pool water to the mark. Cap and invert to mix. Wait 25 seconds, then match to the color chart above. Per the instructions for the ph, add the recommended number of drops of phenol red to the corresponding vial. See manufacturer’s instructions for adjustment. You will not get an accurate ph reading. Web quickly and easily test your indoor and outdoor swimming pool water for 6 key elements and get the most accurate results with hth's pool chemical test kit. Web the pads will change color to indicate total chlorine (white pad on end) and free chlorine (yellow pad). Don’t perform this test if the residual chlorine is above 3.0; Web on the other hand, liquid test kits provide a more accurate and comprehensive test.

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Web This Yellow Colour Is Produced By Both Free And Combined 〖Cl〗_2 Residuals.

It reads the same at 100 ppm as it does at 10 ppm! Here’s the one i recommend if you don’t have a testing kit. Using a comparator, you would look for the color change. Web pool test strips come with a chart indicating what different colors on the pads mean.

3 Place Cap On Vial And Invert Several Times To Mix.

Oto test kits use a liquid chemical oto (orthotolidine) that causes a color change to yellow in the presence of total chlorine. When using the oto testing method, the presence of chlorine will turn a sample a shade yellow. Do not add it back. At those levels of chlorine, dpd will bleach out, and tell you there's no chlorine, when it's really way too high.

This Article Will Walk You Through What To Expect From Using Test Strips, How To Best Use Them For An Accurate Reading, And How To Read The Test Strip Results Against The Provided Color Chart.

Do you need to test your pool water, but are not sure how to use pool test strips correctly? However, ot reacts with free chlorine instantaneously but reacts more slowly with combined chlorine. Oto is recommended for pools that are sanitized using bromine. Per the instructions for the ph, add the recommended number of drops of phenol red to the corresponding vial.

Fill Small Test Vial To Line With Pool Water.

Estimate results fall between two color blocks. Web oto stands for orthotolidine. Web compare the color with the ph color standards on the plastic tester to determine the ph level of your pool water. Look on the left edge of the small tube.

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