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Discussion Starter · #1 ·
I'm gonna upgrade my lights but i'm not sure if using 2 150w mh pendants or 2 250w pendants. which should I get? are 2 units enough or do I need 3 to cover the whole tank?
 

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Is it a 6ft tank?

for a 6ft I would go with 3x150w for high light to supplement with co2 and ferts. Just my personal opinion of what I would do but I'm sure there are others that would oppose.
 

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Discussion Starter · #3 ·
yes it is 6ft. SOmebody suggested that 4 96 watt compact flurocent will be enough for thsi tank. is that right?
 

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I agree with sf...
the size plays a part, not just the wattage.
 

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i would go with the hqi though since you can get ada bulbs and if you plan on growing only green plants, the green version is very nice. i got the normal 150w on my 40breeder and 2x 150w green on my 120.
 
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