AquaChek One Minute Phosphate Test
Keep phosphate levels in check to prevent algae breakouts! Packaged in a convenient and sturdy plastic bottle, the AquaChek Phosphate 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!