If you have a blumat system then use that. I wouldn’t look too much into it because unless you leave your crops alone for a long time it’s really not worth it.
It’s not rocket science and I only just use a pump on a timer to run for 3 min to feed drip emitters. Works like a charm.
They are really diving deep into the perfect watering for these plants and they are making a fortune on selling the stuff when it’s never been an issue producing top tier flower before without that technology.