The Use of Chemical Fertilizers Made from Impure Substances and the Issue of Transformation

The questioner:
What is the ruling on using chemical fertilizers, knowing that they are made from impure substances?

The Shaykh:
Regarding the opinion on transformation (istihalah): does transformation purify the impure substance, or does it not purify it? There is a difference of opinion on this.

The questioner:
That is, if the smell of the impurity or its color has not been removed?

The Shaykh:
Whatever retains the smell. Yes. This is not a case of transformation, because the presence of the smell is evidence of the presence of the impurity. As for the color, if it was washed and washed and washed, and it was not possible to remove the color, then it is not a problem, based on the saying of the Messenger of Allah (peace and blessings be upon him) when he was asked about the trace of blood that remains after washing: He said: If one is unable to remove the color after washing, then the color does not harm; the color that cannot be removed does not