The Salt of the Earth, the Salt from the Sea . . .
We say (or at least my grandmother said) that someone is “worth their salt” or perhaps “not worth their salt”, meaning that the person under discussion justifies their existence (or not) by their actions. Can we apply this same sort of value system to the mineral in question itself? Is salt (sodium chloride, NaCl) worth its salt in the freshwater aquarium? Disclaimers are needed first: This is my personal opinion, not the official doctrine of this site, but just me, the cranky old fogy who has rather strong opinions on a number of fish-keeping topics. (» Click here to read the rest of this article…)