Has anyone PAR tested their orphek or3 LED bars? Wanting to know what kind of PAR diff areas of my tank get and don’t have a way to test.
part 2 is there a way to test PAR without purchasing a PAR testing device? Like renting it for a one time use, or something similar?
part 2 is there a way to test PAR without purchasing a PAR testing device? Like renting it for a one time use, or something similar?