The AquaTrend Phosphate kit for professionals includes 50 powder pillows, two testing vials and a reference card with directions.
The test gives accurate results after only 60-seconds, and measures phosphate from 0 to 1000 parts per billion.
50 tests per bottle.
Unfortunately, even a very low level of phosphate can feed algae and create problems in the pool water. In fact, a phosphate level of 250 parts per billion (0.25 ppm) or greater tends to promote the growth of algae. If you can keep the phosphate level down around 100 ppb or less, you can almost guarantee that you will not experience and algae bloom.
The AquaTrend Phosphate Kit has the ability to measure very low levels of phosphates. You sould test for phosphate once a week: the concentration in the water can occur rapidly, due to rain, debris or bather load.
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