Time for an update.

I have 13 plants growing nicely. All the seed pods are now gone. Everything is nice and green and healthy so far. I noticed two started to stretch and lean very bad so I shuffled things around so they all have equal light. I staked up the two that had stretched and fallen over .

Humidity averages 40% Temp 75 F

I am now taking suggestions for the most inexpensive yet effective odor control... Please help