This listing is for 10 kg

Used for keeping foliage of plants nice and green.
Apply a small amount monthly.
Ideal citrus trees and similar.
Note it takes about 3 months for yellow foliage to become green again.
Ideal as a relaxing bath salt.
bathing in Magnesium sulphate for about 15 minutes gives your body the magnesium’s requirements.
Relaxing muscles and boosting energy.

Even a foot bath with the salts added is very beneficial.
Excellent product 99.7% pure, excellent price.