can any tell me how carbon filters work, i have a new set up and totaly new to indoor growing,if you have carbon filter fans, do you need to bring in ventalation form outside as well? please help.
puffinstuff64 Reviewed by puffinstuff64 on . ventalation can any tell me how carbon filters work, i have a new set up and totaly new to indoor growing,if you have carbon filter fans, do you need to bring in ventalation form outside as well? please help. Rating: 5