What are you using for a meter, Shov? I broke down a couple weeks ago and got a Hanna HI99104. Not real expensive ($35), but more than double that by the time you get the calibrating & storage solutions.

Was using the dye drops and never felt comfortable with that. So far, this thing seems to work pretty well and I'm adding about the same up/down as I was with the drops. Feel like a damn chemist by the time feeding is over.
Token LaRoche Reviewed by Token LaRoche on . First Grow Problem! Hi guys, this is my first grow. Yesterday I decided to cut off all of the dead looking leaves. I checked the PH and it was pretty low so I added some Earth Juice Up to it about 24 hours ago. When I woke up 8 hours ago... this is how my plant looked. I gave it water and when I got home from work, it still looks like this! At the bottom, the runoff water is discolored. It's weird because in the morning the container that holds the runoff water was completely empty. I added little water, not Rating: 5