pH 7 Buffer

$7.95 – $21.50

pH 7.0 Calibration Solution
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pH 7.0 Calibration Solution

General Hydroponics pH 7.0 Calibration Solution is easy to use! Just dip your electrode into a small amount of the buffer and adjust the meter to read 7.0. Do not reuse solution.

This standard reference solutions is of the highest quality and allows growers to calibrate many popular meter brands with confidence (NaCl scale or the 442 scale). Each batch is carefully checked to ensure that it is precisely calibrated and yields reliable readings every time.

Grower’s Tip:
When getting started, it’s a good idea to measure the pH of your water everyday, until you get a feel for it. Measure your water and then add the nutrients. Within an hour check the pH and adjust accordingly. Repeat this process until pH stabilizes. After several runs you can generally get a feel for how much to use.

Eric Vinje
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