Somebody suggested that I get a Honeywell Turbo force fan because it can be felt 40' away. I think it might have been a bit much for my 4 by 4. What is the correct fan size and position in the tent for a fan? I can't really find a decent oscillating fans that fit in a 4 by 4 grow tent. I think the 2nd part Of the question is what are you trying to achieve with an oscillating fan or small clip on fan or in my case hurricane inducing fan? My grow was
going slow but it seemed to be growing well but now not so much.
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Yeah looks like wind burn on that plant :( In a 4x4 I sometimes do two of these: https://amzn.to/3bgjhr2 One above the plants and one below.
Or one of these:
https://amzn.to/2DdVL1o I mount a board then hang on one side of the tent.
Or this round I may do two of these: https://amzn.to/2G7oPJ0
One above the plants and one below.
To answer your second question on what you are trying to achieve with an oscillating fan... It prevents hot spot and humid spots from forming in the tent which lead to heat stress and powdery mildew respectively. It also helps replicate the wind in an outdoor environment which helps strengthen stems. You need strong stems to hold up the branches when buds form.