In most states in the USA, Lowe's and Home Depot again have real TSP for sale in the paint
department, however, they also have TSP substitute which is ineffective.
There are some states where stupid laws have been passed that
prohibit stores from selling and law abiding citizens from buying this best of all heavy
duty cleaning products even at Lowe's and Home Depot.
If you are unable to find REAL TSP (not the substitute) locally,
there may still be at least one place on the web where you can get