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An oscillating fan, that would be a good idea. The temps have been between 70 and 80, mostly, never going above 83. This is a huge improvement over my last attempt where temps were 90-95 or more. I don't think pH was a problem. The water I've added has been right on target, with a pH of around...

Hey guys, been trying out my ultra-micro rubbermaid tub grow, and it hasn't been going well so far. My first attempt had some problems with pH, overwatering, and temperature (up to 95-100 degrees, i think:o). The second time around, I was able to control for more things with a pH test kit...

Sound is just pressure differences in the air that vibrate hairs in our ear -- light is actual electromagnetic radiation that is absorbed by the plant. Honestly, the only thing I can think sound waves doing is slightly shaking the stalk or something, causing the plant to make it stronger. The...