View Full Version : How much light to keep live rock alive?

01/05/2008, 10:39 AM
I have a 90g tank and I got a deal on some live rock. I only have a 40w standard strip light will this kep the rock alive untill I have money to upgrade my lighting.

01/05/2008, 11:12 AM
Depends whats on the rock but thats not enough to sustain coralline algae growth or other plant life for very long.