Best way to use purple power?

Princess Valiant said
So I have a 20 gallon parts washer and a gallon of this magic purple stuff.

What's the best way to mix. 10 gallons to a gallon of purple??

Would 10 to 1 be strong enough to clean parts??

How much do you guys dilute and mix?

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Steel? Aluminum? I go straight up with no water on steel and its works great. Wear a good set of rubber gloves or you'll have no skin left. I dilute it a lot for aluminum parts, and check every 15/20 minutes.

J.