well it’s definitely in the eye of the beholder.
ans i am always very clear with my customers, “when i’m done, or any other window cleaner is done if you LOOK you will ALWAYS find flaws and anyone that tells you different is either lying or ignorant”
Yes.
Imagine the boost of cleaning power without adding any detergent!
How else could it be applied? Imagine using that instead of high pressure.
To answer OP, we then have to ask , " What is dirt?"
There is no scientific designation called " dirt". Just like there is no chemical substance with the name “milk”. Milk is composed of oils, fats, enzymes, water etc…
So what is dirt? And how does it get from the surface to the solution? And stay there?What is actually happening?
I believe @Henry has touch on this in the past…
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I have slowly learned to lower my standards and how I define clean. In most cases, “clean enough” seems to be acceptable. I have done 5 jobs from Thumbtack and every time I finished, I felt like I had not done a good enough job. Every single one of my customers wrote such a glowing review, you’d think I wrote it for them and paid them to post it.
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Wow, this is too intense for me. I clean windows. I get to a dirty window, and with soapy water I clean (loosen all of the dirt I can) then squeegee it dry. I could over analyze that and ask is it really dry? No, not really, because once the sun is done with it what was damp may show later if I haven’t changed my squeegee rubber properly.
But my job is done and it is SUPER compared to when I first got to it and it was filthy. The customer is wowed and usually signs on for the next quarter.
So, clean is clean- at least for me. I can’t stress about the scientific quantumness of it.
Its what the client says it is.
Fix: It’s what the client pays for.
I would really like to see someone devise a way to add cavitation to our cleaning. Of course this process uses water. What about cleaning with frozen air? Ever see anyone clean glass with a blast of dry ice particles? Totally awesome and totally clean. With no residue and completely dry. Cleaning with dry ice! I can see coating the glass first. Then cleaning it with a blast of electrically charged air. A laser might actually follow the blast of charged air and help blast the “dirt” off the glass. Whatever alternative “cleaning” technology that we use, we MUST first understand exactly what is going on in chemical/physical terms. Exactly what is “cleaning” on a molecular level. Just like the Bubble Guy said. Before I leave off here is one more for our group to perk on. Have you ever heard of nitrocellulose otherwise known as collodion? It can be used to clean glass. If you read this article you will not want to try it on specially coated glass like solar panels. Or first surface low e. Or antireflective museum glass. But I would like to play around with it on just plain old float glass. Anyhow check this out. Collodion Optics Cleaning - How to . . . - Articles - Articles - Cloudy Nights So in conclusion let me restate what the Bubble Guy has asked. Exactly what is "cleaning?
Henry
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Once you know the rules, he rules can be broken.
Broken rules = innovation.
Innovation = better results/better methods/better products.
Better results/methods/products = more $/greater efficiency/less headaches
This journey actually has a destination.
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