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๐ฟ Elevate Your Hydroponics Game!
The Growth Technology pH Buffer 4 & 7 Calibration Fluid is a must-have for hydroponic enthusiasts, providing precise calibration solutions in a convenient 300ml package. With dual pH levels, it ensures optimal nutrient absorption for your plants, all backed by the trusted quality of Growth Technology.
| Package Dimensions | 17.3 x 11.2 x 5.7 cm; 690 g |
| ASIN | B07DHRWGL6 |
J**S
Works well
Perfect
M**D
Useful product
Well packaged item. Easy to store and use. We use it to calibrate a small ph tester for our dog urine daily check.
B**T
Good buffer solution
Have used this for many years does the job
M**N
Gd
What it say on the box
A**N
great stuff
great stuff
M**H
very good
excellent product
J**N
Unreliable
I used ph buffer 4 and 7 to calibrate the ph tester. Calibrated it with the 4 first then rinsed off and put it into the 7. Reading was 6 so calibrated it again. After calibrating I put it back into a 4 solution to test accuracy and it read 4.8 making this totally unreliable for taking accurate readings.
A**E
Good
Easy to use and last long time
Trustpilot
2 weeks ago
2 weeks ago
2 months ago
3 weeks ago