"By 1kg bucket" sounds good but it is probably very unstable outside of the sachet (hygroscopic, could dissociate, could clump up, etc) (probably more than 1g

"By 1kg bucket" sounds good but it is probably very unstable outside of the sachet (hygroscopic, could dissociate, could clump up, etc) (probably more than 1g per sachet, 4g as it says in the picture)