May 12, 2021 #1 F Fossil fuel 420 Member How can I calibrate my essentials Ph pen without using the buffering solution as I haven’t got it and I am so late into flowering and it needs calibrated please help me ASAP Family!!!
How can I calibrate my essentials Ph pen without using the buffering solution as I haven’t got it and I am so late into flowering and it needs calibrated please help me ASAP Family!!!
May 12, 2021 #2 Skunksta Well-Known Member I give up on pens to much drama even the good ones.Local hydro shop and ph drop test kit.But im 100% sure someone on here will know a bush fix.
I give up on pens to much drama even the good ones.Local hydro shop and ph drop test kit.But im 100% sure someone on here will know a bush fix.
