Prochems browning prescription is the best coffee stain remover I've tried before using sod' metMicrosplitters are my first choice for general prespray use them 90% of the time
No still don't understand, I must be thick
High alkaline based cleaning chemicals, most chemical MFGs produce them, but they cause so much detrimental damage to surfaces from continuous use, and not just on carpet and upholstery but on all surfaces, just my opinion after being in the industry for over 30 years.