Sometimes, when I start up my fertigation pump as though it is a launch by NASA in its level of importance, I'll ponder for a long time as to 'why are the sprinklers not doing anything yet?' Sometimes, it is because with my unique limiter(s) to the amount of H2O/fert I wanna send along for a certain group of plants, it takes longer to 'charge up' the hoses to where the sprinklers actually do their job. Other times, even today, it is a matter of remembering to turn 'ON' the valve to that group of plants, lol. Five minutes of ??? for one second of 'Aww, Jeez!!!'. I'm almost thankful when a valve is clogged, lol, because that's not really MY fault, in MY mind---eg
PS---Gluttony - It's for me! eg