My pure smoke device seems to be producing a lot less smoke than when i first got it. I put in a new cartridge as well. Batteries are not new but still new-ish. Any ideas?

I would try brand new batteries. Some battery operated devices really run the best with fresh(er) batteries.

Will have to get fresher batteries. If that doesnt work, than i'll have to ask penguin.

New batteries worked. Seems like it does guzzle batteries faster than i can use a cartridge. I am using cheaper batteries though. Using Smoke instead for the time being.

Glad to hear it was just the batteries. Enjoy!