Quote:
Originally Posted by MCC
But here is the thing... A SunPod 20" vs 30" ... its the same thing.. with the MH bulb in the middle... It doesn't make a difference what the size of the hood..... Or if you are working with a MH Pendant... its the same thing isn't it??? Light is dispersed across the 30 inch tank no matter how long the fixture is... with only one MH bulb in the middle.... I understand as you get larger the fixture 36" and up... it has two MH bulbs or even 3 MH bulbs.... so from my research it seems like 30" or lower fixtures... its all the same.. you are paying the extra $$ for a better "fit"
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Yep thats exactly it. A 20" and 30" fixture is just made to fit different tank dimensions and, barring differences in the reflector or ballast used, will produce the same light.