great DIY postmandave!

I have 8 plants about 2-3 weeks from harvest and they're starting to smell. I'm trying to put together your odor neutralizer and have everything together except I'm having trouble finding hydrogel in the US (upstate NY). I was hoping someone could lead me in the right direction. Maybe there's a brand name I should be looking for instead of just hydrogel? Any help would be appreciated, thanks.
Sk8orDie Reviewed by Sk8orDie on . How to build your own inexpensive odour neutraliser Bad smells, stink and hefty weed odours is something every indoor cultivator needs like another hole in the head. Because the problem arises as a result of growing activities, it is logical to take preventative measures. Many weed growers use carbon filters to get rid of weed smells and that can often be expensive, depending on the size of your space, of course. For those starter growers and other interested parties, investing in ventilation and filters can be a big step and Rating: 5