How to Quickly and Easily Clean Your Concrete Mixer

Concrete mixers take a beating on every job, and without regular cleaning, cement buildup can quickly become a problem. Once concrete hardens inside the drum, it affects mixing performance, adds strain to the motor, and makes future cleaning much more difficult. Over time, dried cement can cause expensive repairs or even ruin the mixer completely.

Taking a few minutes to clean your mixer after each use prevents these issues and keeps your equipment working like it should. 

Why Cleaning a Concrete Mixer is Important

Ignoring regular cleaning can turn a reliable cement mixer into a costly problem. The longer concrete residue sits, the harder it becomes to remove, eventually reducing the lifespan of your equipment. 

Here’s why cleaning it regularly matters:

• Prevents Residue Buildup: Hardened cement creates an uneven surface inside the drum, making it harder to mix concrete properly.

• Stops Corrosion: Cement and water left inside can lead to rust, motor strain, and worn-out parts.

• Extends Equipment Life: A clean mixer runs smoothly and lasts longer.

• Saves Time and Effort: Removing dried cement takes significantly more work than rinsing it out after each use.

When Should I Clean My Concrete Mixer? 

How often you clean depends on how frequently you use the mixer, but skipping routine maintenance will make future cleaning much harder. Taking a few minutes to clean your mixer regularly can save you hours of chipping away at dried cement later.

After Every Use

The best way to avoid buildup is to clean your mixer immediately after each job. While the drum is still wet, rinse it thoroughly with high pressure water. This quick routine removes leftover cement before it has a chance to harden.

A Weekly Deep Clean

If you use your mixer daily, a deep clean once a week helps remove lingering residue. Over time, small quantities of cement can stick to the drum, and a simple rinse may not be enough to get it all out. A weekly deep clean should include scrubbing with a stiff-bristled brush and running a pressure wash if needed.

Before Storage

If you won’t be using your mixer for an extended period, it’s important to clean it thoroughly before storing it. Any leftover cement will harden, making it much harder to remove later. A deep clean, followed by drying the mixer can help protect the mixer while it’s not in use.

How to Clean Your Portable Concrete Mixer: Step-by-Step

Cleaning Immediately After Use (Best Practice)

The easiest and most effective method for keeping your mixer in good condition is to clean it right after every pour. Fresh cement is much easier to remove than hardened concrete, and this method should only take a few minutes.

1. Rinse the drum: Pour clean water into the mixer while it’s still running.

2. Let it rotate: Keep the drum spinning for a few minutes. The movement of the water helps loosen any remaining cement before it starts to set.

3. Empty and rinse: Dump the water and check for any stubborn residue. If you see leftover cement, use a hose to spray down the inside while the mixer continues to rotate. If necessary, use a scrub brush or sponge to remove any thin layers of cement that may still be sticking to the walls.

Removing Dried Concrete (If Not Cleaned Right Away)

If cement has been left to dry inside the mixer, simple rinsing won’t be enough. Dry cement is tough to remove, but these methods can help:

1. Break it down: For thick layers of concrete buildup, start by using a hammer or shovel to knock loose any larger chunks. A pressure washer can help blast away cement that has started to stick inside the mixer.

2. Use a concrete dissolver: Specialized concrete dissolver sprays can soften dried cement, making it easier to remove. Spray it inside and let it sit for the recommended time.

3. Scrub and rinse: Once the dissolver has loosened the cement, manually scrape off the remaining chunks. Then rinse thoroughly with a hose.

Safety Considerations

Water, chemicals, and heavy tools can pose risks if not used carefully. Proper safety gear and careful handling help prevent injuries while keeping your mixer in good condition.

Follow these tips to avoid injury and equipment damage:

• Wear Protective Gear: Put on gloves, goggles, and a mask to protect yourself from dust, debris, and chemicals.

• Use Chemicals Cautiously: If using a concrete dissolver or hydrochloric acid -based cleaner, follow the manufacturer's instructions and avoid direct contact with skin.

• Avoid Electrical Hazards: Never spray water near electrical components or the motor. If using an electric mixer, unplug it before cleaning.

• Use Tools Safely: When chipping away dried cement, use a hammer or scraper with control to avoid damaging the drum or injuring yourself.

Long-Term Maintenance Tips

Regular cleaning times will help you extend the lifespan of your batch mixer even further. Taking a few extra steps now can prevent further issues down the road. 

Here are some simple ways to keep your mixer in top shape:

• Check for rust regularly and apply an anti-rust coating if needed.

• Lubricate moving parts to prevent wear and keep the mixer running efficiently.

• Store in a dry, covered area to protect against rain, snow, and extreme temperatures.

• Inspect the drum before each use to remove any hardened cement before mixing.

• Tighten bolts and fasteners periodically to prevent vibrations from loosening parts.

• Keep the exterior clean to prevent dirt and grime from getting into moving parts.

• Check the power source and cords (for electric mixers) to avoid electrical issues.

How the MudMixer® Makes Cleaning Easier

The MudMixer® is a portable, continuous-mixing concrete mixer designed to make mixing and pouring easier and more efficient. Unlike traditional drum mixers, the MudMixer® eliminates the hassle of manual concrete mixing and heavy cleanup. 

Here’s how our design simplifies mixer cleaning:

• Built-In Secondary Hose: A built-in rinse system allows for quick and easy cleanup without needing extra tools.

• Fast Cleaning Process: Instead of spending 15 to 30 minutes scrubbing, cleaning the MudMixer® takes just a few minutes.

• Smooth Interior Surface: Unlike rough drum mixers that trap cement, the MudMixer®’s design reduces buildup, making it easier to rinse clean.

In The Mix: MudMixer® in Real Life

Want to see the MudMixer® in action? This video breaks down four ways the MudMixer® stands out on the job, including working in tight spaces, continuous material flow, and easy portability. One of its biggest advantages is the simple cleanup—no more scraping dried cement or spending extra time on maintenance. Watch how the MudMixer® saves time and effort, making every job easier.