Grow Mediums Scholarly paper: microbubbles dramatically increase yield

[YouDon'tKnowMe]

Well, what do you guys think? I couldn't find anything that created bubbles in the 50 micrometer range they speak about, but there are high pressure requiring diffusers that create 100-500 micrometer bubbles...

Application of Microbubbles to Hydroponics Solution Promotes Lettuce Growth