No because there's no such thing as a "salt bloke."
They are not and never have been. Ephedrine is not found in medicated salt blocks.
Zero. There are no salt blocks available on the market that have ephedrine in them.
Ephedrine sulfate will act as a weak acid in solution because yes it is the salt of a weak base (ephedrine) and a strong acid (sulfuric acid)
No because such salt blocks do not exist.
None. No such salt block or loose mineral mix exists.
There are no salt or mineral nor medicated mineral blocks that contain any form of ephedrine in them. Sick animals are treated by antibiotics via injection, not by just giving them a "medicated" salt block.
it is blokes it is blokes it is blokes
Nowhere because no such salt or mineral block exists.
Nowhere. These type of blocks do not exist.
You cannot because you are looking for something that doesn't exist.
None. No such salt block, medicated block nor loose mineral mix exists.
None because no such block exists.