Bathroom venting
Having read and contributed to a couple recent threads about horrible odors in the bathroom, and noting that I closed off the vent alongside the sink which completely eliminated the odor for me (yes, ...
Forum Discussion
It doesn't matter whether the vents are connected to the black, gray, or both.The bottom line is if everything its working properly you won't have any odors inside except for a small amount when flushing the toilet. These are holding tanks not a septic system and they do not require the use of chemicals. If you have odors you have a system problem and chemicals won't fix it.also you are wasting money and possibly making it more difficult for the municipal treatment system to deal with. Save your money and the environment.
