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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
1 pouch of pH buffer 4 & 7
or monthly (according to your frequency of using the Acrylic Calibration Key)
After 20 seconds
Designed for higher pH readings
PoolCheck® Phosphate Parameter_Bacteria 1 pouch of pH bufferPoolCheck Phosphate. Because phosphates are the primary food source for algae, the more phosphate, the more algae. High phosphate levels can produce resistant algae and interfere with the sanitizing property of chlorine. Regularly testing for phosphates can help to ensure a properly maintained pool. Reliable results are available in 30 seconds. Tests for: Phosphate (PO4) No instrument required No liquids, tablets or powders to handle Results in 30
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