Comment: I don't know

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I don't know

I have two thoughts.

#1. Expand the entire concept for cpommercial grocery stores produce sections.

#2. What is needed is a commerical applience that makes sprouting easier, as they have become a target for the EPA foodborn illness from too much handling, inabilty to control tempuratures.. sprouts that are griwn in dirt.. wheatgrass.. perhaps your idea could be modified to accomidate that need?