How long...
- Thread starter Novillac
- Start date
- Tagged users None
Zooxanthellae really only require 6-8 hours to photosynthesize, anything past that just grows algae and eats electricity 
Corals can die from too much light, and in nature rarely experience more than four hours of intense light.
Also google Dana Riddle and check out his work on this subject.
Corals can die from too much light, and in nature rarely experience more than four hours of intense light. Also google Dana Riddle and check out his work on this subject.
