Will bleach damage pressure washer?? - Cleaning Talk - Professional Cleaning and Restoration Forum
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post #1 of Old 05-17-2017, 11:03 AM Thread Starter
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Will bleach damage pressure washer??

Thanks in advance for your replies. I have the type of pressure washer that has a tube that has one end that attaches to the pump and other other end sits in the detergent. I am getting ready to pressure wash my house and I feel like I've read as many articles about the damage bleach can cause the pressure washer pump as articles that state it is fine to use. I've read about "soft washing" which is what I would like to attempt, but it seems like I need some type of chemical to kill the algae since I won't be "blowing" it off with high pressure.

Also, I would need to use a sharp angle tip to reach the high points of my siding. Of course by the time the water reaches those points it will be more of a spray than a stream. However, in the videos I have watched the person is often standing and spraying at an upward angle (because they are on the ground of course). Isn't this bad for the siding?

Thanks!
Ben
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post #2 of Old 05-30-2017, 04:32 PM
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yes, only use a down stream injector (after the pump water flow) with your machine.

Bleach is fine it wont hurt it, but just use barley enough so that it cleans within a few minutes. & don't let it dry on there..
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post #3 of Old 06-03-2017, 08:07 AM
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I believe it won't damage, it may just stain a little or put it in a yellowish state if it is too strong
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post #4 of Old 07-13-2017, 02:47 AM
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Of course, bleach is an effective way for removing mold and mildew from surfaces, but one should take proper care while cleaning. You should stay aware of its limitations and nasty habits. It's not that bad. Carry on. You have done well with your article and you are providing great info. Thank you very much for sharing!
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post #5 of Old 07-13-2017, 04:49 AM
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Quote:
Originally Posted by momentum View Post
Of course, bleach is an effective way for removing mold and mildew from surfaces, but one should take proper care while cleaning. You should stay aware of its limitations and nasty habits. It's not that bad. Carry on. You have done well with your article and you are providing great info. Thank you very much for sharing!
Well said @momentum ,

Using bleach, it will damage the seals and 0-rings in the gun, wand, hoses, and pumps.

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post #6 of Old 10-16-2017, 08:25 PM
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the hose on your pressure washer is a down stream injector. It is after the pump. It won't harm the washer at all. I spray bleach all day, every day.

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post #7 of Old 11-22-2017, 04:18 AM
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Quote:
Originally Posted by momentum View Post
Of course, bleach is an effective way for removing mold and mildew from surfaces, but one should take proper care while cleaning. You should stay aware of its limitations and nasty habits. It's not that bad. Carry on. You have done well with your article and you are providing great info. Thank you very much for sharing!
I think so too..
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post #8 of Old 11-30-2017, 10:47 PM
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Don't run SH trough your pump or hoses. Try an Xjet or foamers on Ebay. There deliver about 5 % SH and it works majic on a standard green/ black house or building. Using a soft wash setup you can go a lot stronger but we haven't gone there yet.

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post #9 of Old 12-18-2017, 03:41 PM
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Quote:
Originally Posted by bgitler View Post
Thanks in advance for your replies. I have the type of pressure washer that has a tube that has one end that attaches to the pump and other other end sits in the detergent. I am getting ready to pressure wash my house and I feel like I've read as many articles about the damage bleach can cause the pressure washer pump as articles that state it is fine to use. I've read about "soft washing" which is what I would like to attempt, but it seems like I need some type of chemical to kill the algae since I won't be "blowing" it off with high pressure.

Also, I would need to use a sharp angle tip to reach the high points of my siding. Of course by the time the water reaches those points it will be more of a spray than a stream. However, in the videos I have watched the person is often standing and spraying at an upward angle (because they are on the ground of course). Isn't this bad for the siding?

Thanks!
Ben
Please do not use bleach in your pressure washer! You'll damage the hoses and the pump. Use a strong pressure washer detergent - there are plenty of siding detergents online - and coat the siding going top to bottom, and then wash from bottom to top.
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post #10 of Old 01-15-2018, 02:57 PM
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Thousands of professionals run bleach through their hoses and guns every single day and I am one of them.
I have not noticed much of a difference in the life of the hose when DS'ing vs. X-jetting, if you use cheap guns they will wear out a little faster DS'ing.
The time saved by DS'ing is worth the cost of buying an extra gun every year so just do it and be done.


PS if you're worried about the bleach hurting your hose and gun just drop the soap hose in a bucket of clean water and flush it out every time after you use it.

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post #11 of Old 02-12-2018, 08:06 AM
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Quote:
Originally Posted by ascinc View Post
yes, only use a down stream injector (after the pump water flow) with your machine.

Bleach is fine it wont hurt it, but just use barley enough so that it cleans within a few minutes. & don't let it dry on there..
I second that. You can xjet too, but DS is more efficient.

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