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What You Need to Know About Galley Tank on an RV

Published by Dustin Babich on

The galley tank on an rv is a holding tank for dirty water from the kitchen sink. Galley tanks are usually smaller in size than the black and grey tanks found on rvs.

Rvs are fantastic for long road trips and vacations, but they also require careful maintenance. One of the essential components of an rv’s plumbing system is the galley tank. The galley tank is a holding tank that stores the wastewater that comes out of the kitchen sink, and it is separate from the black and grey tanks.

Because the galley tank is smaller than the others, it can fill up quickly, so rvers need to be cognizant of their water usage. It is also essential to clean the galley tank frequently, as the accumulation of food waste can cause unpleasant odors and potentially damage the plumbing system. Proper maintenance of the galley tank ensures a comfortable and odor-free rv living experience.

Understanding The Galley Tank On An Rv

A galley tank is a holding tank for wastewater from the rv kitchen sink. Its purpose is to hold greywater until it’s time to dump it at an appropriate facility. Unlike the black water tank, the galley tank doesn’t hold sewage, but merely wastewater.

Galley tanks are commonly made of materials like polyethylene or abs plastic, and are usually self-contained within the rv. Understanding the galley tank is vital for rv owners, since misuse can cause problems with the rv’s entire wastewater system. While galley tanks serve a crucial role in the rv’s wastewater disposal, they are often overlooked by the uninitiated rv owner.

Knowing how your rv’s wastewater system operates, including the galley tank, can help you avoid issues and ensure a smooth ride on your next trip.

Managing Your Galley Tank

The galley tank in your rv holds waste from your kitchen sink. Proper maintenance is important to avoid issues. Avoid pouring grease down the drain and only allow water and soap. Signs of a problematic tank include unpleasant odors, slow draining, and gurgling sounds.

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To empty and clean the tank, use a designated gray water dump station. Detach the hose and allow it to empty completely. Flush the tank with clean water through the sink or hose. Regular maintenance and follow-up inspections should be done to prevent any issues with your galley tank, ensuring your rv travel is trouble-free.

Upgrading Your Galley Tank System

Upgrading your galley tank system on your rv comes with numerous benefits. You’ll have more space to store grey water, making your trips longer and more comfortable. When choosing a new galley tank, consider the size, material, and compatibility with your rv’s plumbing.

It’s recommended to hire a professional to upgrade your galley tank to ensure it’s done correctly. A skilled technician can also recommend the best tank system for your specific rv model. By upgrading your galley tank, you’ll be able to enjoy the benefits of additional storage, which is crucial for long camping trips.

With a newer system, you’ll also reduce the risk of leaks or other system malfunctions, providing peace of mind on your trips.

Tips For Maximizing Your Galley Tank Efficiency

Your rv’s galley tank is an essential component in your vehicle’s plumbing system that stores waste. It can be prone to overfilling, causing unpleasant odors and the need for frequent dumping. There are various steps you can take to maximize your galley tank’s efficiency, such as reducing water usage and waste, proper ventilation, and choosing the right cleaning products.

Participating in composting or using disposable plates and silverware can reduce waste and water usage. Ventilation is necessary to prevent unpleasant odors and ensure optimal tank function. Using the right cleaning products, such as natural enzymes, will keep your tank clean and prevent clogs.

These tips can help ensure your galley tank functions efficiently, making your rv road trip more enjoyable.

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Frequently Asked Questions For What Is The Galley Tank On An Rv

What Is A Galley Tank On An Rv?

A galley tank on an rv stores wastewater from the sink. It holds water until you empty it at a dump station or campsite sewer.

How Big Is The Galley Tank On An Rv?

The size of the galley tank on an rv varies depending on the rv’s size and model. Most smaller rvs have a 15-20 gallon capacity, while larger rvs have a 30-40 gallon capacity.

How Often Should I Empty My Galley Tank On An Rv?

You should empty your galley tank on an rv every 2-3 days or when the tank is 2/3 full. Regularly emptying the tank prevents overflow and keeps unpleasant odors away.


The importance of understanding your rv’s wastewater systems cannot be overstated. The galley tank, as we have learned, is the holding tank for kitchen sink water and is just as crucial as any other system within your rv. Keep in mind that the galley tank requires just as much attention as other holding tanks, if not more.

Proper usage and maintenance of the tank, as discussed in this post, will ensure that it functions efficiently, and more importantly, keeps your rv free from unpleasant odors and backups. Remember to dump the tank frequently, use a good-quality deodorizer, and always keep it closed when not being used to prevent any accidental spills.

With these simple steps, you can be confident in your rv’s wastewater system, which will ultimately lead to a more enjoyable camping experience.

Dustin Babich
Categories: Knowledgebase

Dustin Babich

Dustin Babich

As the passionate author behind, Dustin Babich is a knowledgeable expert in all things automotive. With a deep understanding of car tools, equipment, engines, and troubleshooting techniques, Dustin Babich shares invaluable insights, practical tips, and effective solutions to empower readers in overcoming car-related challenges.


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