Which end plates for 18 inch tank

[rtague]

Which end plates would be better for an 18 inch front to back tank,16 inch or 18 inch,I'll be using kessil a360x,thanks.

 

[Flatlandreefer]

16 is what I would use

 

[rtague]

16 is what I would use

Thanks that's what I was thinking,why would you not use the 18 inch?

 

[MSB123]

Thanks that's what I was thinking,why would you not use the 18 inch?

because you want some spread and you don't want too much light bleeding into the room

 

[rtague]

because you want some spread and you don't want too much light bleeding into the room

Thank you for replies.