thanks for sharing.. 
going to read more about this.. 

Oh, i see now the green lid on the pic


No it doesn't.  I keep them in a dark area for about three days, then expose them to sun the final two days (day four and five).  As long as you have good air flow, I have never had issues with mold odors; either in mason jars or sprouting trays.

Example lids - https://www.amazon.com/Picowe-Plastic-Sprouting-Strainer-Canning/dp/B07SDGBB3B

Doo_Deux

culture

A Brief History of the Mason Jar

does that smell ?

Usually can detect that mold odor in most sprouts

But seam a good idea to grow food