The key to remove odor from a grow room is to find a product that "neutralizes" the odor. If it is just covering up the odor, it simply isn't working. My suggestion would be to buy a jar of ONA or find an air filter with an active carbon filter. Here is a handy link that explains the differences.

House Odor Elimination ΓΆβ?¬β?? Air Fresheners that Work on Odors

GTD