The title also says product testing and I’ll give a little rundown:
One product tested was a (brand x) sub irrigated planter deals that water via wick.
Worked ok in veg but when flower time came and needed refilling every day @1 gallon of feed per plant, it got tiresome.
Take plants out, clean crystallized sediment, check wick plus the paranoia that if the bottom of the feeder is that salty, what do the roots look like that never have water going through them?
So I flushed pretty religiously every 3 weeks.
Then I gave up, took out the wicks and just started drain-to-waste feeding uses the bases as the catch.
Rigged a 1/2 hose to a shop vac attachment and just sucked the water out of the bases every week or so.