I know every fertigation should have run off. My first fertigation of the day never runs off, so I will pop in and run the pump manually a second time each morning.
I'm thinking of adding a second pump and timer so that it can go off just before the lights on. Or just after as I've read it's better to not feed them in the dark.
Does anyone have any advice? My thoughts are that, as I'm running it to have the last feeding right before lights out, I'll just add timing so it doesn't get the last feeding, and the other will be in dark mode, so it would feed at the lights go out, then again when I program, which I figure will be just before lights on. That'll get the lights on feeding its run off. Or I could set it on light and dark and just leave the last light time feeding and have it run once each day just before or after lights on.
Then I'll only have to make sure and empty the waste bin before it overflows.