Nope… it’s mobile vs immobile… unless, of course, it’s critters.
For measuring TDS, I start adding nutrients when the TDS drops below 800-850
I was just ‘testing you’ …you passed!..
oooh I hate tests LOL!
Wanted to thank you all for the assistance here. I have proper equipment to ensure that I’m feeding appropriately (pH/nutes) and she is already responding incredibly well. Fantastic community!