On those drip systems 15 minutes on 45 minutes off. It's what works best but also 30 minutes on and 90 minutes off works well in veg too. An air stone is a big plus but the splashing water is what puts the oxy in it.
LOC NAR on probation Reviewed by LOC NAR on probation on . Help With Water Pump, Need Advice! I need a pump for a hydro system im going to make, i want to have a splitter at the other end of the pump and be able to water 8 plants, 3 times daily, for 15 min. I just don't know what GPH (Gallons Per Hour) to get for the pump. Thanks Heres a link Water Pumps Link Rating: 5