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pH Meter : $11.99 
*High Accuracy: comes with a sensitive electrode sensor to accurately read PH levels; includes a manual to show you how to get the most accurate and stable readings
*Easy to Calibrate: your pen comes with three different buffer solutions; dissolve the pH 6.86 solution to calibrate. Press ‘CAL’ for 5 seconds to enter calibration mode, insert the pen into the water, and complete the calibration
*Easy to Carry: a lightweight, handheld design makes this pen easily portable
Ideal for household or commercial use. Can be used to measure water, pools, spas, liquid solutions, laboratories, and hydroponic systems.
SHIPPING :
Continental United States: 1 – 3 days processing time.
RETURNS :
If you are not satisfied with your purchase of a new Hey abby Grow Box, you can request a return within 30 days after your delivery.
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