GMSgrowsanswered grow question a year ago When growing hydroponics, you really need to have a ppm, ec reader to feed properly. Here is a feed schedule I use
VEG STAGE FEED SCHEDULE
This feed regiment is for hydroponics such as RDWC, DWC, Drip systems, coco, promix HP, etc. This is for photo plants. From the day your babies pop from the soil, feed at,
Day 1....400 ppm, 0.8 ec for photos, 250 ppm, 0.5 ec for autos
Day 7....500 ppm, 1.0 ec for photos, 350 ppm, 0.7 ec for autos
Day 14..600 ppm, 1.2 ec for photos, 450 ppm, 0.9 ec for autos
Day 21..700 ppm, 1.4 ec for photos, 550 ppm, 1.1 ec for autos
Day 28..800 ppm, 1.6 ec for photos, 650 ppm, 1.3 ec for autos
Stop there unless you see your girls really need more. This applies for any fertilizers made for hydroponics and soil less grows. Maintain your ph at 5.8 through the entire veg cycle, and and try to keep your water as cool as possible