xxRolandxx
Active Member
Hi guys I could really use some advice to confirm some calculations Ive made. So Ive got a 3ft by 3ft tent (actually the tent itself is more like 4.5ft long but for the scrog this is irrelevant. Screen will be 3 by 3). Major issue is height. Only 3ft total height. So Im using 3 gallon 9 inch tall pots and plan on giving the ladies about 8 inches of screen before they get scrogged. Which is a total of 17in to the screen.
This leaves only 20 inches total distance to the light. Im picking up a 400w HPS with a dimmable ballast (so I can adjust it down if needed) and have a 200cfm fan pulling the air out through ducting. Ill have fans blowing under the canopy and another blowing directly on the HPS lamp (no cool tube available, but if necessary I suppose I could build one).
So my question is this: Am I going to be OK on the light distance from the screen to the light itself, or is this simply too short. I figure with the dimmable ballast I can dim it down to 250w if really necessary, but Im looking for the largest yield in limited space. Next time I will be building a much taller tent, but this time this is what Im working with.
Yes I considered running CFL the whole way but I really want that HID lamp on my ladies.
Thanks for any help. I really need it. Much rep will be given.
This leaves only 20 inches total distance to the light. Im picking up a 400w HPS with a dimmable ballast (so I can adjust it down if needed) and have a 200cfm fan pulling the air out through ducting. Ill have fans blowing under the canopy and another blowing directly on the HPS lamp (no cool tube available, but if necessary I suppose I could build one).
So my question is this: Am I going to be OK on the light distance from the screen to the light itself, or is this simply too short. I figure with the dimmable ballast I can dim it down to 250w if really necessary, but Im looking for the largest yield in limited space. Next time I will be building a much taller tent, but this time this is what Im working with.
Yes I considered running CFL the whole way but I really want that HID lamp on my ladies.
Thanks for any help. I really need it. Much rep will be given.