Just curious would any growers on here use a handheld multi-ion meter, so you could check up on the actual nitrate, ammonium, potassium, etc in your tank whenever you liked, to go beyone the crude EC measurement?
Interesting nobody seems interested in measuring the actual nutrients in the tank, or the ratios of one ion to another, Ca:Mg, Ca:N, Ca:K all very important to control blooming and bud production, and the switch from vegetative growth to flowering