secretmicrogrow420 Well-Known Member May 28, 2023 #1 hello i just noticed my CMH bulbs have "UV BLOCK QUARTZ" and im wondering what does this mean? please someone chime in
hello i just noticed my CMH bulbs have "UV BLOCK QUARTZ" and im wondering what does this mean? please someone chime in
Jjgrow420 Well-Known Member May 28, 2023 #2 They're dual jacketed with quartz to limit the amount of UV that passes through
secretmicrogrow420 Well-Known Member May 28, 2023 #3 Jjgrow420 said: They're dual jacketed with quartz to limit the amount of UV that passes through Click to expand... thank you so much for the info i appreciate it!
Jjgrow420 said: They're dual jacketed with quartz to limit the amount of UV that passes through Click to expand... thank you so much for the info i appreciate it!