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Been vegging around 5.8ph, doin low pressure aeroponics/nft. I think at 5.8 manganese might be locked out... check out pix of my leaves and please confirm/advise. im concerned about the chlorosis/yellowing between and the necrotic/red spots on some of the leaves. Veins still appear green...

I was thinking about putting a bunch of hydroton into the reservoir, i figure it would act as a filter, but more importantly, give beneficial bacteria a home to grow? What do you guys think? am I just asking for trouble from hostile microbes?

Can someone talk about optimal PH range for Aero? I see lots of varying information, and the more I think about it the more questions I'm left with. Is this something dependent on the type of fertilizers/nutrients being used, why is there a difference between soil, hydro, and aero, etc... I've...

Just wanted to do a first post, and show off part of my setup, looks like some of the clones are very happy, others the root development is really lacking. I put a lot of time into designing the bucket... pvc spray nozzle, with a bell siphon. So its kind of dwc hybrid aero system. The bell...