Oxalic acid is very poisonous, and by reason of its great similarity in appearance to Epsom salts, it has been very frequently mistaken for this substance with, in many cases, fatal results.
The Great Pond on Epsom Common was the largest of the two stew ponds built by the monks in medieval times.
An easy way to add magnesium to the soil is to sprinkle Epsom salts around the base of the plant.
These bath salts are made with Solar and Epsom salts for to help replenish and detoxify your skin.
Epsom salt and hydrogen peroxide are other good solutions.