What do you think?

[rbarb1111]

I am upgrading from a 30 gallon to a 75 tank. I currently have four 39 watt t5 in my canopy. My question is can i use these over the 75 gallon by centering them and adding 2 more 54 watts. Would this be enough light for a 75 or should i just rewiring everything so that they are all 54 watt 48".

thanks