3" or 4" pipes for vertical NFT system?

so i'm planning a simple vertical NFT system with pipes standing like columns and i'm unsure wether to get 3" or 4" pipes. i'm thinking that 3" maybe better to cover the roots with water droplets but i'm worried that it might be too small to fit the rootballs?

4... which layout are you thinking?

pinner420 said:

4... which layout are you thinking?

Click to expand...

just so you know, it's a 5 yr old post.

weren't you the one i was talking about CES with?

i was curious about their uncle john's blend. what is it? they seem like a cool company. i gave them a call many yrs ago and they wer super helpful on the phone for a newb

Ya spoke with mark yesterday about hum tea. Super good folks. U know I see what it does but beyond marketing leaks couldn't tell ya.