Does Pressure Washing With Bleach Harm Your Grass: Expert Insights

Will pressure washing with bleach harm your grass? With the right bleach-to-water ratio, you can safely pressure wash without worry about grass and plants.

We offer the best methods of using bleach and other cleaning chemicals without damaging your grass and plants.

When you decide that you want to pressure wash your house, it is wise that you know the proper precautions reducing the chance of “bleach harm your grass” effects.

Bleach is a great way to get things clean killing mold and mildew, but may also harm grass and plants.

When it comes to the outside of your home it is completely understandable for you to want to make sure it looks as nice as it possibly can. The way a home looks can be seen as a reflection of yourself.

Though when you go to pressure wash your house, there is bound to be some kind of runoff that will get on your yard, plants, and other possible valued items you have lying around.

Read further on the best ways to pressure wash with bleach safely.

Picture of dead grass and a chalk outline of body on the dead grass.  Did bleach harm your grass?

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Will Chemicals Like Bleach Harm Your Grass and Other Plants?

The main focus of pressure washing your house is to get rid of all the glut and mold that is building upon the walls of your house. It will make your house look as good as new.

The chemicals in pressure washing are specifically made to not harm any animals or plants.

There still is a chance that any of the other chemicals present or bleach harm your grass or other plants you have around your house.

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What Impacts Grass from Pressure Washing with Bleach?

When you decide about pressure washing with bleach, it is mainly aimed at killing small organisms like mold and mildew.

Usually what you use will be diluted to a 3:1 water to bleach ratio.

While you are pressure washing with bleach, the runoff into your yard and garden will turn into salts as the bleach starts to break down. Will pressure washing with bleach harm your grass?

High salinity in your garden and yard can lead to plant death.

High salinity will make it harder for the plant to retain water letting bleach harm your grass.

An important step to reduce the “bleach harm your grass” effect while pressure washing is to ensure your grass and plantings are properly hydrated and fed beforehand.

If you do this, when the bleach runoff seeps into your yard and garden, it will be more diluted.

This will have less of an impact on the grass and plants that it will wind up touching. This will effectively reduce having bleach harm your grass and plants.

Once your pressure washing with bleach is completed, it is vital to do another thorough clean.

It’s important to washout all the remaining leftover residue in your yard or garden.

What Kind of Bleach Should You Use?

If pressure washing with bleach is the main chemical you are going to use on your house, you should probably opt for using oxygen bleach over chlorine bleach. 

Oxygen bleach is easier on foliage.

While it may be easier on the foliage, you will still want to protect your plants as much as possible.

Experts suggest going outside covering the parts of your yard or plants you want to keep protected while pressure washing with bleach.

If you are unable to cover or move any of the plants, you are going to want to give them a thorough wetting.

This should be done before and after pressure washing to reduce bleach harm your grass and plants.

When you go to pressure wash your house, it is vital that you use the right bleach so you give your grass and plants the best chance to thrive.

House Driveway and the Gate Pressure Washing by Caucasian Men

Other Remedies For Pressure Washing with Bleach

After reading the above information, you may now be a bit hesitant to use bleach when you go to pressure wash your house.

You may want to know what other options you have to make the decision to clean your house and have it looking as good as new.

You should be able to weigh the pros and cons so you can make the best decision for an alternative.

Alternative methods of cleaning your house would not have bleach harm your grass and plants, but still be careful when choosing.

Can You Use Detergents?

The short answer to this question is yes, you are able to pressure wash using detergents.

If your home is going to be washed with simple detergents, these biodegradable ingredients are usually diluted to a 10:1 water to detergent ratio.

Despite the fact that it is very diluted, be careful if you let the runoff remain on foliage.

You will notice your grass or any other plants touched by the chemical, will start to develop some brown spots on them.

As discussed earlier, you should take the necessary precautions by watering before and after pressure washing.

This will offer the best chances to keep your grass and plants as healthy as possible.

But remember to be as thorough as you can be, because even with the tiniest bit of detergent left on your plants, they will possibly die.

Watch Out for Salient

If your house has natural wooden siding, usually that means you must use salient post pressure washing. This method is to preserve the natural grain and makeup of the wood.

If this is something you have to use, be very careful.

The salient will harm your grass or plants more than either detergents or bleach.

Before you use the salient, make sure you cover and secure all nearby plants or grass.

You more likely will not be able to wash off the foliage. Unfortunately, this will harm your grass and plants leaving their eventual demise.

It is important to make sure your house looks as clean as possibly.

However, we should not overlook any possibility for plants and grass to turn brown or die from the cleaning process.

You need to know when pressure washing with bleach, detergent, or salient, to take the necessary steps and precautions.

It may take more time to cover grass or plants, but it is worth it to have them protected from the potential runoff.

You do not want to have your grass or plants covered for too long since that can harm them as well.

Only cover the parts you are currently working on to clean sectioning off as you go, especially if the house you are cleaning is quite large.

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Final Thoughts

Take your time, clean your house, and keep the grass and plants that help make your home a home, alive and flourishing as long as they should.

Even if you think “can bleach harm your grass,” it is by far the safest option of the possible cleaning materials you can use.

Can bleach harm your grass? Without proper precautions, yes.

At the end of the day, the main factor that will harm your grass is you.

If you take the proper preparations within this article, your grass and plants will continue to thrive.

Enjoy living the outdoor life!