Bare with me I’m writing pissed. I started growing in the late 70’s with a High Times magazine and a 400 watt MH. No special rooms fitted intakes and Co2 setups, humidity/temp gauges. I would wait till I got my hands on some good seeds someone would give me and after a few attempts started...
Thanks. I’ll get another meter. Most of the bottled water I tested was around 15 on the one I have. My water tastes great so I didn’t don’t question but your right, gotta double check it.
Feeding instructions on packaging instruct 1 to 2 teaspoons of food per gallon of water. That’s about 200 ppm give or take the food. My understanding is, that’s barley enough food for a 2 week old plant let alone a mature blooming one. Do you say screw the directions and let your ppm meter tell...