I did a top to bottom wash minus the wheels and arches because I planned on detailing the engine bay and washing and protecting all the door and hatch jambs and I knew it was about all I could manage
I had 2 weird things happen with chemicals
First , I found a full 15 year old bottle of P21s shampoo when I was moving a few months back and decided to use it since I was out of everything else
I added 3 capfuls to 3 gallons of water and hit it with the pressure washer
Nothing, no suds, flat as a pancake
I doubled the amount and nothing
I poured the rest in my foam cannon and added water for about a 50/50 mix and again nothing
I soaked a mitt in my bucket and very gently took a swipe across the roof and it felt like straight water, no glide, no lubricity
I jumped in the 4Runner and drove to town and grabbed a gallon of Hyper Wash and started over
The P21s had zero smell and I think I remember it smelled like apples
I guess car care chemicals can have a shelf life
After I finished the wash and dry off with OCW I pulled the car into the garage and wiped and blew the engine bay dry
I grabbed an almost empty bottle of old 303 Aerospace and my boars hair brush and hit the plastic and immediately noticed it was going on very sticky and wipe off was a chore
This was the last bottle of several I bought years ago at an RV store that was closing
I guess it also has a shelf life
Just weird I had 2 issues in one wash
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