B Pierce New member Nov 27, 2004 #1 I have a 250watt MH 20K on a 29gal. tank that is 17" high the bulb is 5in above the tank. is that enough light to keep maximas on the sand?
I have a 250watt MH 20K on a 29gal. tank that is 17" high the bulb is 5in above the tank. is that enough light to keep maximas on the sand?
B birdie New member Nov 28, 2004 #2 I don't see why not. I have a 150 on a 20h 17inches from the substrate and I keep a maxima there no problems. Peace Richard
I don't see why not. I have a 150 on a 20h 17inches from the substrate and I keep a maxima there no problems. Peace Richard
B Barry N. New member Nov 28, 2004 #4 Should work well but clams like the bulb temperature of 5500 K - 10K but know a lot of people that keep them under 20K without problems.
Should work well but clams like the bulb temperature of 5500 K - 10K but know a lot of people that keep them under 20K without problems.