DWC Air Pump Questions

[HydroMoe]

Hello World! I am currently in the process of setting up a Grow Tent either 4 by 4 by 6.5 or 4 by 2 by 6.5 with a 400 watt hps for flowering. I will be using 10: 5 gallon Buckets.

What i need to know is what size of an air pump or air pumps to use. Can i use say a single 50 gallon or bigger or maybe even multiple, lol.

Please and thank you.

 

[joe dollar]

I run a 35 watt air pump and it runs 5 buckets, 2 stones in a res, and 2 stones in a cooler

 

[wayno30]

can u have too many bubbles???? seriously??

 

[Shafto]

can u have too many bubbles???? seriously??

Definitely can. Too much turbulence causes roots to take up less water and nutes, and even stop growth at a certain point. I had 3 6" stones in 2 5 gal buckets powered by a 45W air pump. Roots came out with a donut hole in the middle and now I've experimented with turning off my air pump in my new setup (where I made sure to have the bubbles around the roots, not right underneath them) and I still see about double the water and nute uptake.

Better way to oxygenate is to use more water flow and no bubbles at all. I know it goes against contrary belief, but from what I've been reading and from what I've seen myself high flow water and no bubbles seems to be best, the roots just don't like the bubbles on them from everything I can tell... And since this guy harvested 76oz from a single plant with only 1500W with no air pump and high flow water, I think I'm on the right path.

http://www.icmag.com/ic/showthread.php?p=3838091#post3838091

To each their own, but I'm ditching my 45W air pump next time around and getting myself a nice water pump instead.

 

[wayno30]

i figured as much

 

[HydroMoe]

I still have nort received an answer to my question

 

[watchhowIdoit]

I run a 35 watt air pump and it runs 5 buckets, 2 stones in a res, and 2 stones in a cooler

What more do you want? Surely you can figure it out from this post........lets see, 5 buckets, 35 watt pump. Hmmm, you want to do 10 buckets...maybe 2-35 watt pumps.

 

[HydroMoe]

my bad, he didnt say the sizes of the bckets, so i got lost.