|Price:||CDN$ 11.00 FREE SHIPPING.|
This digital pen style pH meter is an ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food & beverage etc. Please be sure to calibrate with buffer solution before use. (Not Included)
HDE® is a registered trademark and is the only authorized seller of HDE branded products
Accuracy always in question. Resetting it is a chore. However, better than using paper tester.Published 5 months ago by Jerry
Totally useless. I bought #4 solution at a hydroponics shop to calibrate and they tried to set it up for me. Never worked.
Zero stars should be an option.