The best cat litter for odor control is the one that matches the kind of smell you're dealing with, because litter box odor doesn't all come from the same place.
Pick a litter that fits your ...
Yes, you can put baking soda in cat litter, and a little can take the edge off mild litter box smell. It works best as a small boost to a clean box, not as a fix for a box that already smells.
This ...
The best way to clean a litter box is to work in the right order, because stuck litter and residue can leave odor behind after a quick rinse.
Empty the box, scrape it while it's still dry, wash it ...