D dryice New member Feb 17, 2006 #1 can u use High Pressure Sodium lights on a reef tank because they r cheaper and they r used for growing plants so i dont see y they cant grow coral.
can u use High Pressure Sodium lights on a reef tank because they r cheaper and they r used for growing plants so i dont see y they cant grow coral.
a4twenty Premium Member Feb 17, 2006 #5 wrong color ( red light dosn't penetrate water as well ) and i think way to much UV ( could be filtered off )
wrong color ( red light dosn't penetrate water as well ) and i think way to much UV ( could be filtered off )
