Fish_fanatic
Aquarium Advice Activist
I have seen allot of pics on the web of 5 gallon and 2.5 gallon reef tanks. Since these are so tiny would you only need like a 20 watt bub? Cause on a 2.5 gallon that would be like 8 watts per gallon. Does it work like that or do you still need more lighting to get a higher spectrum?
Thanks
Thanks