[jarthel]

I searched for some guides/tutorials but can't find any.

can you please help?

thank you

 

[talontsiawd]

With any light, you should start pretty high and slowly move it down. Pay attention to growth and algae. If you are getting good growth, you are fine. You don't want to lower it until you get algae but if you are getting it now, it may be too high.