Throw it away, its worthless shit, your better or smoking tobaccoon its own, dont try the purification methods they dont work, just leave u with powdery sand (no its not skuff) Soap bar is made in maroco and the uk is the only country where it is imported, even the marocans dont smoke it, its export only. Sorry mate but there is loadsa weed in edinburgh last summer i went there for the weekend, go in the city....people blazin all over the place. peace