hi thanks for your response.i do have 2 machines an Alltec with built in heather 100psi and also a prochem Stemproo 2000 powemax 120psi.i purchased Multi pro as a prespayer for the very dirty caperts,extraction pro and fibre and fabric rinse depending on the type of carpet ,2 types of stain and spot removers ,stain pro and neutral pro spoter.all prochem products.any good?