I am curious as to what makes syrup light or dark. I’ve read that early season sap often yields lighter syrup while later sap gives darker syrup. I’ve noticed, myself, that when I store my sap for several days before boiling a batch on the weekend that it is usually much darker than when I boil sap harvested that same day. Is this because the microbes are at work converting the sucrose to glucose and fructose? Does storing my sap before boiling give the microbes more time to work? What has been your experience? I’m just a hobbyist producing a few gallons of syrup, but I’d like to learn more.