Quote Originally Posted by Treez81
if u do not want to take the time to calibrate ur pen and keep it clean, then i would hate to see what corners you r cutting to grow ur medicine....please dont ever invite me over to smoke
I'm using my pen when I can't see clearly with strips. I don't want to spoil my pen by using unnecessarily.
If hydro, yes, you need a better tool. But, as far as I remember Jon was growing in soil like me and my response was on that. For personal soil grows no need to use a tool for $150. What happened to K.I.S.S ?