Well I looked, but I didn't find any here, so if you know where you found any,
Why am I showing you this, for several purposes but especially hunting. The flushing tanks where we put liquid products to change the smell after a few days..
Interesting I find, activated carbon is used in respirator mask cartridges to filter odors and vapor!!
or an old thing, Baking soda, downside, it's white, don't spill it..