As a laundry additive ... we have very hard water , and I've noticed that
my work clothes are getting stains that don't come out . I do know rhat when
they quit using phosphates in detergents and cleaning solutions they became
less effective .
I have a box of TSP (the real stuff) and I'm considering adding some to a
load of my work clothes to see if this will make my detergent more effective
.. Recommendations of how much to use are welcome ...

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Snag