help with lighting

[joao junior]

hi,i get a new reef and i think in 42 inch of height,yous think with 10 t-5 54watts,i have a good ligtht in this height??thanks.

 

[joao junior]

anyone??

 

[d3hree]

I very much doubt that t5s will punch through 42" of water.
What are the other dimensions of the tank?

 

[joao junior]

the dimensions are 100x42x32,i think 20 t-5,10 on each side.