cannabillion7
Well-Known Member
ok so i was just in my grow room (4 weeks into flower) when i noticed the switch on the ballast was switched to MH instead of HPS (the type of bulb that i am now using) and when i switched it over it got slightly brighter. what is the difference between the ballast being on MH and hps? have i been losing significant amounts of light due to this mistake? any response would be great