any homebrew shop or ice maker (dry ice) does refills. You don't need a permit.
Lv2rgu Reviewed by Lv2rgu on . In the USA, whats a good way of buying co2? How do you apply it to your grow? I know its probably wierd im asking, But I am not familiar with this, at all. Im somewhat new to co2 and I would appreciate anyone with knowhow to give me the pros, cons and dangers of using this, (if any). And where I can purchase or attain co2. Thank you. And happy harvest!:jointsmile: Rating: 5