dopefind...

I suggest you build a 'carbon scrubber', or a 'carbon air filter'...

Make a search in these forums for Zandor's posts with one of those as keywords... I know he has posted easy instructions somewhere...

Another one I like is:::
http://www.overgrow.com/growfaq/1152

And....
http://www.overgrow.com/growfaq/1509

Happy Happy Joy Joy...

You know you're on your way when you need to build a carbon air scrubber....