# How to mix for a 1 % house wash

Have a 5.5 gpm machine and a 10 to one down stream injector pulling from a 5 gallon bucket what would be my ratio of sh and water to achieve a 1 % mix for soft washing just getting started so forgive me for the newbie question

You have a 10:1 DSI, that means your DS injector will downstream 10% of whatever strength you have in the bucket you are pulling from and 90% water from your pressure washer. I am sure you have to learn calculating this yourself before getting started. IE. If you have your bucket filled with 12% SH only (undiluted), you will be down streaming 10% of that strength, and so on for any strengths of SH in the DS bucket. So it all depends on the strength of your SH in the bucket, youâ€™ll DS 10% of itâ€™s strength if your DS is down streaming exactly 10 to one as you said.

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Thanks much appreciated just stepping into the biz and there is a lot of stuff to know got about 100 hours into watching YouTube but this forum is a game changer been reading whenever I got extra time trying to gain some confidence before I start advertising

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You might want to test your injector as well. Every set up is different. A chemical injector will pull different ratios based on gpm, hose length, size injector, etc. I have a 5.5gpm machine with 200 ft of hose with a 2.1 (3-5gpm) injector and it pulls a 14:1 ratio. At the end of the day itâ€™s some trial and error as well. If the mildew is not turning a brownish color and starting to dissipate within a few minutes just add more SH. The ratio hitting the wall will work well as long as itâ€™s about .6%-1%. You donâ€™t need more than that for washing vinyl.

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Thank you canâ€™t stand the 9 to 5 rat race making others money done some research on small businesses and this power washing thing sounds great

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the only thing you shud worry about.

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Weâ€™re buying our machine next week. How do you determine your injector pull-ratio?

Itâ€™s like deja vu all over again

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No, Itâ€™s like deja vu all over again

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Pete and Repeat sitting on a log. Pete fell off. Who was left?

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Who was on first, I believe Why was leftâ€¦

Reminds me of this classic.

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How to get 1% using real math

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At least that joke had the desired effect on somebodyâ€¦

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And this is the best thing to happen in a long time. Iâ€™ve made 4 batches this week

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Can you xjet that on, or do you have to use a pump sprayer?

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I heard that

Are they still crispy? I trust ya but dang that seems like itâ€™s going to turn into a soggy mess

I thought the same thing when I made the first batch. They are as crispy as cheezits

It doesnâ€™t help that when todayâ€™s pressure washing geniuses say 1%, 2%, 3%, etcâ€¦ they really mean 10%, 20%, and 30%