Whats the difference between aldosterone and vasopressin? in regulating water n salt levels

biology homework question

I'll use ADH instead of saying vasopressin, as they are both the same thing.

Aldosterone is produced in the adrenal cortex of the adrenal gland. This hormone is produced when there is a decrease in blood volume and fall in blood pressure. Essentially, aldosterone causes an increase in the active transport of sodium ions from the nephron distal tubules. Water then follows and is reabsorbed from the tubules. In turn, this causes concentration of solutes in blood to decrease and blood pressure rises.

ADH is produced by neurosecretory cells in the hypothalamus in the brain. This hormone is produced when there is a rise in blood solutes or a decrease in water concentration in the blood. ADH essentially increases the permeability of collecting ducts & distal tubules to water, which in turn increases the amount of water reabsorbed, thus solute concentration decreases.

That's about it!