Note that "TSP" is a brand name. Make sure the TSP you bought is trisodium
phosphate and not common lye soap shavings.
10-15% by weight or volume. This ratio is trivial to accomplish if you a)
Use diswashing powder, and b) Mix up the whole box (of dishwashing soap) at
once. See my earlier post on an easy way to do this.
It depends on the hardness of your water. You can start with a Tablespoon and
work up to 1/3 of the capacity of the dispenser. The rest is a good quality dry
If tri-sodium phosphate (TSP) doesn't perform for you, I'd suggest Sodium
Tripolyphosphate. It's related to TSP and is the actual chemical that was
removed from many detergents. Google for the differences between it and TSP.
I've bought it on eBay and directly from this guy:
That's not going to be the most effective way to use it. You want the TSP to mix
with the detergent - it's a booster (actually a binder), not a detergent by
itself. If you throw it directly in the bottom, it gets dissolved and flushed
out in the pre rinse cycle.
Yep. I think Spic n' Span use to be mostly TSP. I was not aware of
the pollution issue, though. It was still available at Och Sply H/W
stores last I looked, but the price was up by a factor of 15X. The
same box I used to buy for less than a dollar now costs closer the
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