hi guys, I will try to answer all in one post.
It is 230 gal tank, there are 4 of 250 W MH bulb but it was too strong so I got algae so I cut back only using 2 (1 and 3) for 1 week and then (2 and 4) for one week so that all the plants will have the same amount of light.
It works out to...