Enough Light for 45cm cube?

[FishNoob23]

Would this be over kill for pressurized co2 injected 45cm cube growing hc carpet?
http://www.aquariumproducts.com.au/catalogue_products.php?prodID=3568&catID=86
or should i go for 1x36 watt instead of 2x36 watt'



cheers

 

[fplata]

Go for the two, if it's two much you can always disconnect one.