Ok I read this post and would like to add one thing I use 2 rows of nets in a tent with 2 decent size plants in 10's so not that easy to lift the pot so the meters are a good tool in my situation and maybe others as well.
Interesting I do think I could up the amount I only use a gallon in each 7 gallon pot can you define stages for me like wait 10 minutes or an hour or day.
Sorry yes another watering post I am growing in 4x4 tents 1000w bloom boss lights using root organics original soil in 7 gallon pots on risers inline 6 inch fans no carbon filter (no kids live in mass where legal so don't care about smell) nectar for the gods Greek regimen. I have many...