I keep seeing fellow washers use terminology like a 1% mix, 2% mix, 5 % mix etc. I know about rations. 3 to 1, 5 to 1 and so on but dont know what everybody refers to as a 2% mix.
Can somebody pls clarify that?
It’s the percentage of SH in your mix. Most buy 12.5% SH because it’s the strongest we can get. You just dilute the SH down to whatever you need and add some surfactant if needed.
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Work off the rule that a gallon of 12.5 mixed with a gallon of water gives you 6.25% (50/50 mix), half the value of 12.5%. keep adding water or taking water away to reach what percentage you want with regards to how much you are mixing volume wise. Working out percentages for downstreaming is a little bit different again, witch involves a little experimenting with draw rates. Plenty of beginner information on here, just type in key words in the search bar, you will learn things you have no business knowing.
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Just be careful searching. If you see the rubber scrubber thread, RUN. That is a long dark hole that you may never recover from. Lol. @dperez @Hotshot @GeorgeNicholson 
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That is making me search. Lol. This could be a dark hole that ill never get out i guess.
This answered my question right on. Ty so much guys. Learning a lot already.
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Truer words have not been spoken in recent times.
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I’ve never paid much attention to the% people always quote, but that explanation helps a bunch.
Neither have i to be honest, I’m more of a dwell time guy, more bleach, less bleach depending on weather.
When someone says 1% or 3% they’re talking about the actual percent of SH hitting the surface. So if you are downstreaming or xjeting you have to figure in whatever dilution is happening there. 
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