 Cyanuric Acid Testing in Swimming Pools
When conditioning a swimming pool with cyanuric acid, or dosing with chlorinated cyanurates, it is important to know when the maximum stability to ultra violet light has been reached, also after continual usage the cyanuric acid level should not be allowed to go over 100 ppm.
The test is a simple one and consists of:
- Mixing bottle.
- Special test reagent (buffered melamine solution).
- A reading column.
Notes:
A. The temperature of the test mixture should be kept below 700F.
B. The reading of the test should not be made before one minute after mixing, nor should it be made 5 minutes after mixing.
Directions:
- Fill the mixing bottle to the lower mark with pool water.
- Add test reagent to the upper mark and mix.
- Carefully add the mixture to the reading column until the black spot on the base disappears from sight when viewed down through the column (blocked from view by the cloudy nature of the solution).
- The height of the liquid in the column is compared with the scale on the side of the column and reading made directly.
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