Meguiars Quik suds car wash strips.
 

A weird little invention straight from Meguiars. Each pack you buy comes with 20 little car wash squares, using the supplied directions you are supposed to add one square for each gallon of water. The strips dissolve when you apply water from the hose and produce a lot of suds. Overall IMO it works just as good if not better then liquid soap and will leave your clean and bright. The main disadvantage I have noticed is your dollar simply does not go as far with the strips as it does with a liquid soap. I use a five gallon bucket every time I wash my car so after four washes I have already used a full pack. With a gallon of liquid soap I can usually stretch it to about 8 or 9 washes before I'm out. Another thing I have noticed is that the so called suds do tend to disappear quickly and your basically left with bucket of green water.
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Final Verdict: A good cleaning product but not economically effective over their 1 gallon liquid counter parts. Suds form quickly but disappear after a short time of use.

anotehr example of trying to improve a product that already works pretty well, and not acomplishing much