Bluegrass Soy Sauce --- 100 ml vs Yamaroku 4 Years Aged Kiku Bisiho Soy Sauce

We couldn't find enough data on either product to be able to come to any reliable conclusions. We highly recommend that you take a look at some other options in the $4 and $35 budget ranges instead.

No sources that perform objective hands-on testing have deemed the Bluegrass Soy Sauce --- 100 ml worthy of being included in their Soy Sauce roundups, which typically isn't a good sign.

As for the Yamaroku 4 Years Aged Kiku Bisiho Soy Sauce - it impressed reviewers at The Spruce Eats, a trustworthy source that conducts solid hands-on testing. It did great in its "The Best Soy Sauces for Cooking, Dipping, and Drizzling" roundup - in fact, it earned its "Top Pick" title, which, on its own, indicates a certain level of quality.

As a last step, we wanted to do a head-to-head Bluegrass Soy Sauce --- 100 ml vs. Yamaroku 4 Years Aged Kiku Bisiho Soy Sauce comparison of their review performance but, unfortunately, weren't able to find any review ratings on either product.