MrSquid
New member
My tank is a new setup - empty except for live rock. Up until now I've only been running my T5's because I didn't have a way to cool the canopy.
My canopy houses four 36" T5's and three 250w DE MH's. The canopy is about 8" high, so the MH's are about 5" from the tank's glass tops. The back of the canopy is almost completely open - otherwise it's fully enclosed.
I have four 4" Coralvue SMART fans and I'm wondering how to orient them for biggest impact. All pointing in? 2 in, 2 out?
In In Out Out (how I currently have them)
In In In Out (would it bring in more "cool" air and force more through the final fan?)
Thinking all IN wouldn't do much since there's no place for the heat to escape to.
I did a 3 hour experiment and ran the MH's without fans - tank temp increased 0.1° every 10 minutes and climbed steadily the full 3 hour period. With the fans, temp increase 0.1° every 30 minutes - but I only left them on for about an hour, so I don't know if it'd keep climbing.
Anyone have any thoughts on how to orient my fans for optimum cooling?
My canopy houses four 36" T5's and three 250w DE MH's. The canopy is about 8" high, so the MH's are about 5" from the tank's glass tops. The back of the canopy is almost completely open - otherwise it's fully enclosed.
I have four 4" Coralvue SMART fans and I'm wondering how to orient them for biggest impact. All pointing in? 2 in, 2 out?
In In Out Out (how I currently have them)
In In In Out (would it bring in more "cool" air and force more through the final fan?)
Thinking all IN wouldn't do much since there's no place for the heat to escape to.
I did a 3 hour experiment and ran the MH's without fans - tank temp increased 0.1° every 10 minutes and climbed steadily the full 3 hour period. With the fans, temp increase 0.1° every 30 minutes - but I only left them on for about an hour, so I don't know if it'd keep climbing.
Anyone have any thoughts on how to orient my fans for optimum cooling?