Ever stood in the fertiliser aisle staring at two products that both contain iron, copper and zinc… One says Sulphate. The other says Chelate. “Surely they’re the same thing right?” Well… yes and no... A sulphate is a bit like popping your parcel in the regular mail. It gets where it needs to go most of the time, but a chelate, on the other hand, is more like sending that same parcel by registered courier. It’s carefully wrapped, protected and escorted right to where it’s n