filter

Hello Everyone I am trying to filter shampoo from water but unable to do so completely. Tried with charcoal, akum and reverse osmosis system still it doesn't work. It does filter the foam of shampoo to extent but bubliness texture is not going fromm water. Need help working on a project, is...

I just switched from the Lye I purchased at the hardware store, which was packaged for drain clearing, to "food grade, high quality NaOH beads". These beads are almost 4x larger than the drain cleaner. I am also noticing that the water is not clean and clear after adding the lye and dissolving...