Gudday lab_rat_x,
I picked my ultrasonic up from an aquarium supply warehouse, they soldpumps and all kinds of stuff like that, they had 3 or 4 models of these things so I bought a few of the bigger ones to try them out.
I made a small unit a couple of years ago and grew 4 plants in it, they did reasonably well in the growth stage but the ph was wild wth them, then in the flowering stage I had problems with the Potassium ratios going skewed on me, the P was fine but the damm K went out so we had deficiencies, I reckon it may have been due to the vibration but Im only really guessing thee, its basically a Piezo element from what I understand, just a vibrating plate a few microns thick.
Regds,
OzGrowa
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