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View Full Version : sorry if asked before.... hqi ?

burgfirefighter
05/13/2009, 11:15 AM
how long does everyone keep thier halides on during the day... and do you have a chiller.....
thanks in advance
stlrams88
05/13/2009, 11:27 AM
150W on a 24 gallon tank stays on for 8 hours a day. No chiller.
myaerica
05/13/2009, 11:58 AM
2 250w 1 400w on 180 gallon 12 inches off water 8hours no chiller.
dahenley
05/13/2009, 01:07 PM
being in ohio, you prob dont get the 115deg summers like we do in texas. but i had a 55gal with a odessy 250mh with 65wat pcs and didnt run a chiller. i have a 240 display with 400w mh and a fan in the canapy and it stays around 78ish. i will say that i never had a heater in eith of my tanks. another thing to look at is a canopy. if its small then it will heat up more and faster. my canopy is 3ft tall so there is a lot of heat exchange going on in mine. thats my 2 cents

oh, and i run my mh for about 8 hours.
schaef
05/13/2009, 01:32 PM
during the summer about 8 hours a day. I have 250W HQIs over a 120g
luther1200
05/13/2009, 01:56 PM
2-150w 5" over a 65g for 8hrs, no chiller.
schaef
05/13/2009, 02:13 PM
forgot to add no chiller either. I do open up the lid for my canopy on the really hot summer days but my tank never exceeds 82. if it does the lights shut off automatically.
GSMguy
05/13/2009, 04:20 PM
2x250w over a 67 gallon no fans no chiller.
burgfirefighter
05/15/2009, 11:20 AM
Thanks.. i have the coralife 2x 250 hqi and my temp went up 3 degrees in 4 hours so thats why i was asking..
rdlisby
05/15/2009, 02:41 PM
Qty 3 250Watts HQI 8-10inches of the water no chiller, I have to keep the house at 75 degrees and I have two $10 desk fans blowing across the surface. Also I cut holes in the top of my canopy to allow the head to radiate up. The temp in the morning is 78 and it gets to 82, I leave the lights on for 12 hours. Last week I lowered the temp of the house to 73degress and the tank gets to about 81 degrees.