Originally Posted by andrew
i expressed my concerns before in regard to their (groit's) clay leaving residue on my cars surface... but thought i would give it a try again today...
this stuff is crap... what mess.
i had to use a solvent & brush to get it off my hands... to the trash it goes...
i will stick with proven clays such as... clay magic or meguiar's.
Don't know what you are doing but I too have been using this product for years now and can't say anything bad about it.