Anyone familiar with the Bluelabs pH Pen?? I just got more calibration solution in. Went to recalibrate pen, worked perfectly with the pH 7.0 solution. But I keep getting an Er message when I try to recalibrate in the 4.0Solution.... I have no idea why or how this is happening. Any help would be...
I have actually looked at getting beneficial nematodes from them before, but as I am planning to consume majority of plants I'm growing, I also grow and start my veggies indoors, I have been hesitant to put bugs in to get rid of bugs. Lol. I have tried ladybugs and those definitely did help a...
I tend to use nutrients to help change my ph... Coffee will lower pH and raise nitrogen, same with spoiled milk and other nutrients. I tend to have similar and higher pH from my tap... I add nutrients to my water to change pH... Good luck