Fish Ketchup == Garum no?
Ketchup ... Hunts makes a very good and palatable ketchup sans High Fructose Corn Syrup.
Saltines ... My grandmother told me about leaving home made saltines (hardtack) and Peanut butter out on the porch for hobos or whatever they’re called in England.
Fish ketchup = garum, si.
With a half a dollop service size, who cares about corn syrup?
As for palatable, my experience is Hunts has a strong tomato flavor which is shared by all the other brands except for Heinz, which has a spicier flavor. I prefer Heinz.