Need some expert advice on ducting/ventilation

shell

shell

Active Member


Hey guys, a question about ducting and fans...

We will be using ducting in our next cycle and we have some questions. First, how many inline fans do you need to properly vent your entire duct system? Some setups I see use one fan... we will be using four lights next time. Also, is it necessary to use hard pipe in your duct system or can you use all flex as long as you set it up with no restrictions and no bends? Intake-->light-->light-->light-->light-->exhaust through opposite wall?

Also, what is your opinion on using MH bulbs the last week or two before harvest?

Thanks for reading.​
 
A

aidosmoke

Active Member
Work out the size of your grow room in mtrs square and ask your grow supplier for a suitable fan to exchange the air at least once every five minutes....
 
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