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Problems with Algae in your pool water' Phorphates may be feeding it!
Keep phosphate levels in check to prevent algae breakouts! Packaged in a convenient and sturdy plastic bottle, the AquaChek Phosphate test kit includes testing powder pillows, sampling vial, directions and color chart. The test gives accurate results after only 60 seconds and measures phosphate from 0 to 1000 parts per billion. 20 tests per bottle. Only available in US. Not for resale in Canada.
Made in the USA!