Yes, Bleach Kills Moss – Complete Guide

Published by: | Updated: March 24, 2023
Does Bleach Kill Moss

Bleach is your best friend when it comes to eliminating bacteria, fungi, and viruses! 

However, will bleach kill moss?

In this article, we’ll discuss how to prepare and use bleach to kill moss and other related questions.

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About The Author

Meet the expert behind this article. 



Co-owner & Service Director

Hey there, I’m Cody. 

A decade of residential and commercial pressure washing led me to start JCS Refresh. Now I can share my knowledge with folks like you. 

Reading from Seattle, Washington?

Our team specializes in moss removal and can help take that chore of your to-do list. Reach out for a free quote.  

Quick Answer

Bleach has an active ingredient called sodium hypochlorite that alters the micro-organisms nature, thus, killing it in the process. 

As a result, it can eradicate most parasites, bugs, and plants, such as moss.

JCS Refresh Does Bleach Kill Moss (8)

WAIT – here are a few good reads to expand on this topic. 

How much bleach is needed to kill moss?

Since bleach is undoubtedly strong, you cannot use it directly when eradicating the moss. 

Instead, depending on the extent of the infestation, you need 30% bleach to mix in water to create a solution. 

How much bleach-to-water do I need to kill moss?

To kill moss with bleach, use a mixture ratio of 1:9 (bleach to water). This means using 1 part of bleach and 9 parts of water.

JCS Refresh Does Bleach Kill Moss

Does material matter?

Materials don’t matter when using bleach; however, we advise proceeding cautiously since it may leave some stains or damage any plants or grass nearby.

Does bleach kill moss on concrete?

Yes, bleach kills moss on concrete. Depending on the size of the surface, you can apply the 1:9 ratio, adjusting or doubling it for larger projects.

Will bleach kill moss on bricks?

Yes, bleach kills moss on bricks, and since this material is porous, it gets much moisture, encouraging moss infestation.

JCS Refresh Does Bleach Kill Moss

Will bleach kill moss on pavers?

Yes, bleach kills moss on pavers, and for best results, utilize a pressure washer when rinsing surfaces.

To learn more about cleaning pavers, check out this article: 

Will bleach kill moss in the lawn?

Yes, bleach also kills moss in the lawn. However, it can also dry out the yard, so it is best to avoid using bleach without dilution and only apply it to affected areas.

Does bleach kill moss on the tarmac?

Yes, bleach can also effectively eradicate moss or algae on the tarmac.

How long does it take for bleach to kill moss?

Bleach can kill most in just a few hours; once the moss turns yellow, it has dried out and is ready to be removed using a rake or broom.


So, now we have answered the pending question, can bleach kill moss? 

Bleach is a powerful chemical and should be used with caution. However, it can easily do the job regardless of your moss location. 

We hope this guide has served you well and successfully tackled your next project quickly.

Thanks for reading!