Quote Originally Posted by TheGanjaKing420
How long do they last? I think my wife tried some of those before (although I think they were a cheaper generic rip-off of renuzit) and yes, they did very good at masking the smell, but they dried up in about a week and that was it. But still for under a buck, you can't go wrong. It would still be far cheaper than a carbon scrubber system.

Thinking about it, I might pick up a few of these today and see if the name brand does better.
yeah like just barley crack those things open and stick em in the grow and in front of your fans intake :rastasmoke: