What Is Liquid Aeration And How Does It Help My Lawn?

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A lush and healthy lawn requires more than just water and sunlight. Aeration is one of the most important yet frequently overlooked aspects of lawn care.

Your lawn requires proper nutrition, water, sunlight, and breathability. Aeration allows your grass to breathe and promotes healthier growth. This process allows nutrients to reach the soil more effectively.

There are two main types of aeration:

  1. liquid aeration
  2. core aeration

Continue reading to learn about these types of aeration. We’ll also discuss how liquid aeration helps your lawn.

Table of Contents

What Is Aeration?

Liquid aeration backyard

Lawn aeration is the process of poking small holes in the lawn to allow essential elements such as air and water to enter.

This process encourages the roots of your greens to grow deeply, resulting in a stronger and more vibrant lawn. The primary goal of lawn aeration is to provide air and allow your lawn and the soil to breathe.

Lawn aeration also breaks up thatch. Thatch is an organic layer that accumulates around your grass base.

This layer consists of living and decaying plant matter, such as roots and stems. If the thatch buildup becomes too thick, it will stop water, air, and essential nutrients from reaching the roots of the grass.

Lawn aeration promotes quicker and healthier grass growth by breaking up thatch. Aeration also helps to loosen compacted soil. The roots of your greens can grow more easily when the soil is loose.

There are, however, different types of aeration. Let’s discuss the two main types of aeration.

Core Aeration

Core aeration requires using a tool to mechanically create pockets of air in the lawn.

They are spaced in a way that does not negatively impact your lawn. This process reduces soil compaction, allowing essential nutrients to reach the grass and soil.

Core aeration allows your lawn to breathe and promotes the growth of healthy roots. We usually recommend core aeration for lawns with moss plants and newly sodded lawns. Core aeration helps new roots reach the soil.

Liquid Aeration

Liquid aeration involves using a specially formulated product to increase water flow and airflow in your lawn.

When liquid aeration is applied to your lawn, the active ingredients move water through the dense particles in the soil, creating more airways.

These ingredients also boost microbe activity in the soil, which helps break down organic matter and increases soil air.

Even though liquid aeration takes longer to work on your lawn than core aeration, the process appears less messy than core aeration.

Although liquid aeration is less effective than core aeration on highly compacted lawns, it is still an effective option for allowing more air to reach the grass. We don’t recommend liquid aeration for new sod/turf, but it is a viable option in other cases.

Why Does My Lawn Need Aeration?

Many inexperienced gardeners fail to realize that their lawn’s health is dependent on the health of the soil. Soil compacts over time, squeezing out the air required for the healthy growth of your soil.

This is particularly evident during winter, especially if your grass has been covered in snow for an extended time. Aerating your lawn in the spring months will allow the soil to breathe, boosting new growth.

Lawn aeration liquid types

However, aeration goes beyond simply reducing soil compaction. Aeration also encourages your grass roots to grow deeper so they can reach more nutrients in the soil for thicker and quicker growth.

This process also removes thatch buildup that forms throughout the year. Thatch is a layer of organic material within the topsoil that builds up when grasses are left alone.

This organic layer prevents air, moisture, and nutrients from reaching the grass. Compacted soil and thatch degrade your lawn’s drainage abilities. If you notice standing water in your yard, compacted soil or thatch could be the culprits and would require aeration.

Find out more ways you can care for your lawn.

So, when can you aerate your lawn? You can aerate your lawn whenever the ground is not frozen. It is not recommended to aerate your lawn when the weather is very hot, so avoid aerating during the summer.

If you do, keep in mind that the soil will dry out quickly, especially if you use core aeration.

Difference Between Liquid Aeration And Core Aeration?

Lawn core aeration process

Core aeration is an effective way to loosen the soil. However, core aeration may not appeal to certain homeowners who prefer a less strenuous way of aerating their lawn.

Core aeration typically involves using tools such as a spike aerator or a coring machine. However, these tools have some disadvantages.

Firstly, spike aerators must be physically pressed into the soil to create air pockets. However, this process is strenuous and tedious for homeowners with large yards.

On the other hand, coring machines are more automated than spike aerators but are more expensive and time-consuming.

You can learn about more equipment to help maintain your lawn edges here.

This is one of the reasons why liquid aeration continues to be a popular option. Furthermore, liquid aeration saves time and energy and is more cost effective than core aeration.

Liquid aeration can also be applied at any time of year and in various ways compared to core aeration.

While core aeration typically leaves your lawn looking like a mess, liquid aeration is a less messy way of aerating the soil.

Finally, liquid aeration mixtures usually contain extra ingredients that help to condition the soil.

Pros and Cons of Liquid Aeration

Liquid aeration explained

Liquid aeration has a lot of benefits that will make it a viable option for homeowners.

However, there are also a few disadvantages of liquid aeration.

So, without further ado, let’s look at the pros and cons of liquid aeration.

Pros Of Liquid Aeration

  • It provides more effective coverage because it is sprayed onto your lawn.
  • No special equipment is required for the application.
  • Liquid aeration application requires less effort than other types.
  • It is more cost-effective than other types of lawn aeration because you do not need to invest in tools or hire a lawn care service.
  • Liquid aeration is ideal for small and large lawns with moderate traffic.
  • Liquid aeration is less messy than core aeration.
  • Liquid aeration improves your soil’s water and nutrient retention.
  • Because the results accumulate over time, liquid aeration is a more permanent solution to soil compaction.

Cons Of Liquid Aeration

  • It does not work as quickly as core aeration. When you use liquid aeration, it takes longer to notice the benefits of aeration.
  • Liquid aeration is not as effective as core aeration on compacted soil.
  • Liquid aeration is not the best choice for newly seeded lawns.


Hopefully, you now know more about liquid aeration and how it helps your lawn.

We’ve also discussed the pros and cons and the differences between liquid and core aeration.

So, ensure you aerate your lawn.

Your lawn will thank you!

Andrew is a seasoned writer for Dadsmowers.com. Since wrapping up his career as a landscaping manager, Andrew has served in an advisory capacity to a number of lawn care businesses. He currently spends as much time with his grandkids as he can.


Matt the Mower

Howdy, I’m Matt and welcome to my site Mowing With Matt. I’ve always been a self confessed lawn mowing nut and have learnt plenty about looking after lawns.

I’d like to share this knowledge by providing valuable information and tips from buying the right lawn mower to keeping your grass green.

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