iv read a page in cannabis culture jan/feb 07 that says the glass will absorb most of the uvb light thats responsible for increasing thc at the end of the flowering stage. it also says that there is a special kind of glass that dosent but dosent say what it is. i would like to go with 3 600 watt air cooled digital enhansed hps and because of the 30% more blue light in the enhanced hps will that be enough uvb to use the standard glass?? any help thank -u -
unlockit Reviewed by unlockit on . glass in air cooled reflector iv read a page in cannabis culture jan/feb 07 that says the glass will absorb most of the uvb light thats responsible for increasing thc at the end of the flowering stage. it also says that there is a special kind of glass that dosent but dosent say what it is. i would like to go with 3 600 watt air cooled digital enhansed hps and because of the 30% more blue light in the enhanced hps will that be enough uvb to use the standard glass?? any help thank -u - Rating: 5