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House washing DIY. What cleaner ?

I use the outdoor germicidal bleach and run it thru my chemical injector .spray/wait 5/rinse,repeat on tough stuff. Wet anything you are worried about prior to bleaching and rinse well after. (including injector)Works better than anything i have found and cheap.
 
Use bleach , most houses can be cleaned with 3% mixture , if is pretty bad you might need 6 % , you need some kind of surfactant to help the bleach to stay and stick to the area , dwell time is important aswell , rinse too soon and you might have to clean several times , rinse to late and let it dry you could cause other issues specially on certain finishes like siding , stucco , etc , they all react differently. Also do not use Dawn with bleach as the gases that it produces are very toxic.
 
Both are more than plenty to do any job
If it’s organic material you trying to remove . Oil stains , ga clay , rust and others bleach will not work even if you use it pure , there is other chemicals for that stuff
 
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