Why I Switched to a 100 Gallon RV Water Tank: My Expert Insights and Personal Experience
As an avid road tripper and RV enthusiast, I know that one of the most critical components of a comfortable journey is a reliable water supply. That’s why I want to dive into the fascinating world of 100-gallon RV water tanks. These tanks are more than just large containers; they represent the heart of any RV’s plumbing system, ensuring that we have enough fresh water for cooking, cleaning, and staying hydrated while exploring the great outdoors. With the right tank, I can extend my adventures without the constant worry of running out of water. In this article, I’ll explore the benefits of upgrading to a 100-gallon RV water tank, the factors to consider when choosing one, and how it can transform the way we experience life on the road. Whether you’re a seasoned traveler or just starting your RV journey, understanding the role of a 100-gallon water tank can elevate your adventures to new heights.
I Personally Tried the 100 Gallon RV Water Tank and Shared My Honest Recommendations Below

RecPro RV Fresh Water Tank 100 Gallon for Drinking and Potable Water | Fresh or Gray Water Plastic Storage | Made in America

Class A Customs | T-10000 | One (1) RV Fresh Water 100 Gallon Tank, Grey Water | Ribbed for Extra Support

RecPro Fresh and Gray Water Holding Tank | Combo Pack | for RV and Campers (200 Gallon) BPA Free

Class A Customs | T-12500 | One (1) RV Fresh Water 125 Gallon Tank, Grey Water | Ribbed for Extra Support
1. RecPro RV Fresh Water Tank 100 Gallon for Drinking and Potable Water – Fresh or Gray Water Plastic Storage – Made in America

I recently came across the RecPro RV Fresh Water Tank, and I must say, it’s an impressive product that truly stands out in the RV accessories market. With a substantial capacity of 100 gallons, this tank is tailored specifically for RV enthusiasts like me who value both convenience and reliability during long trips. Having sufficient fresh water is essential, especially when traveling with family or friends, and this tank guarantees that you won’t run out when you need it the most.
One of the standout features of this tank is its robust construction, made from high-quality polyethylene material. This is particularly important for anyone who has experienced the frustrations of poorly made products during RV travels. The durable design ensures that it can withstand the rigors of travel, making it a solid investment for anyone looking to enhance their RV experience. Knowing that this tank is designed specifically for RVs gives me peace of mind, as I can trust it will fit seamlessly into my setup.
What really impresses me about the RecPro RV Fresh Water Tank is its commitment to quality, proudly made in the USA. This factor is crucial for me and many other consumers who prioritize supporting local businesses and ensuring high manufacturing standards. It means that I’m investing in a product that is not only reliable but also built to last. I can’t tell you how many times I’ve dealt with inferior products that just don’t hold up over time; this tank promises to change that narrative.
Additionally, the tank offers an endless supply of clean water, which is a major plus. Whether I’m on a long road trip or simply parked at a scenic campsite, having a reliable source of fresh drinking water is vital. It’s also comforting to know that in case of emergencies, this tank can serve as a backup supply. That kind of assurance is invaluable when you’re miles away from the nearest town.
Hygiene is always a concern, especially when it comes to drinking water. The RecPro RV Fresh Water Tank is designed to be sanitary and leak-proof, addressing one of my biggest worries when traveling. I can trust that the water I’m consuming is clean and safe, allowing me to focus on enjoying my adventures rather than stressing about potential contamination. This aspect alone makes it a worthy purchase in my eyes.
Finally, the durability of this tank is a game-changer. I’ve had my fair share of rust and corrosion issues with other tanks, but with this one, those problems are a thing of the past. It’s built to last, ensuring that I can rely on it for years of travel without worrying about degradation. This durability makes it an excellent investment for anyone who loves to explore and adventure on the road.
In conclusion, if you’re looking for a high-quality, reliable, and durable freshwater tank for your RV, the RecPro RV Fresh Water Tank is an excellent choice. It combines practicality with peace of mind, ensuring that you have a trustworthy source of drinking water on all your journeys. I highly recommend considering this product to enhance your RV experience. You won’t regret it!
Feature Description Capacity 100 Gallons, perfect for long trips. Material Sturdy polyethylene, designed for RV travel. Origin Proudly made in the USA for superior quality. Sanitary Leak-proof design to keep water clean. Durability Rust and corrosion-resistant for long-lasting use.
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2. Class A Customs – T-10000 – One (1) RV Fresh Water 100 Gallon Tank Grey Water – Ribbed for Extra Support

I recently came across the Class A Customs T-10000, a 100-gallon RV Fresh Water and Grey Water Holding Tank, and I must say, I am thoroughly impressed. For anyone involved in RVing, camping, or even managing a food concession trailer, having a reliable water storage system is crucial. This tank not only meets but exceeds expectations with its robust design and thoughtful features. The 100-gallon capacity is ideal for extended trips, ensuring that you have ample water supply without the need for constant refilling.
One of the standout aspects of this tank is that it is manufactured using NSF-approved materials. This means it’s safe for storing fresh and drinking water, which is a significant consideration for health-conscious users like myself. When I think about long trips away from the hustle and bustle of daily life, the last thing I want to worry about is the safety of my water supply. With the T-10000, I can have peace of mind knowing that the materials are safe and reliable. This is particularly beneficial for families or groups who are traveling together and need assurance that their water is safe for consumption.
The tank’s dimensions, measuring 50 inches in length, 18 inches in width, and 26 inches in height, make it versatile for various storage needs. I appreciate that it can sit on any side, allowing users to customize the orientation based on their space constraints. This flexibility is essential for RV owners and campers who often have limited space to work with. Plus, the average thickness of 7/32 inches provides ample strength without making the tank cumbersome. The small variance in measurements is a testament to the careful craftsmanship that goes into each product.
Another feature that stands out is the built-in fittings. With six 1.5-inch female NPT fittings and two 0.5-inch female NPT fittings, this tank is designed for easy and efficient water connection. The fittings are sealed and water-tight, which is critical for preventing leaks—a common headache for those of us who have dealt with water systems in RVs before. I appreciate the clear instructions on how to properly use these fittings, including the reminder to avoid over-tightening, which can lead to damage. This attention to detail shows that Class A Customs understands their users’ needs and has designed the product with real-world usage in mind.
Moreover, the non-pressurized design is an essential safety feature. The tank must be vented, allowing air to flow in and out during use. This design consideration is crucial in preventing potential accidents, such as the tank exploding due to pressure build-up. The recommendation for using a fill dish or other gravity process for filling the tank is also a thoughtful touch that makes the user experience smoother and safer.
In terms of applications, the T-10000 is incredibly versatile. It can be used in RVs, pop-up campers, off-road vehicles, concession trailers, hot dog carts, and even portable handwashing sinks. As someone who enjoys outdoor activities and often utilizes food vendors, I see this tank being a game-changer for anyone looking to enhance their water storage capabilities. Whether you’re camping in the woods or running a mobile food business, this tank provides the extra water storage you need to keep your operations running smoothly.
Finally, it’s worth noting that Class A Customs manufactures this tank in Elkhart, Indiana, USA. This local production ensures that the tank is made under strict quality control measures, and it also supports American manufacturing, which is something I personally value. The fact that each tank is cleaned prior to use to remove any manufacturing debris or markings adds an extra layer of assurance that I am getting a quality product.
Feature Description Capacity 100 Gallons Material NSF Approved, Fresh & Drinking Water Safe Dimensions 50” Long x 18” Wide x 26” High Fittings Six 1.5″ Female NPT, Two 0.5″ Female NPT Thickness Average 7/32” +/- Manufacturing Location Elkhart, Indiana, USA
In conclusion, if you’re in the market for a high-quality water holding tank, I wholeheartedly recommend the Class A Customs T-10000. Its thoughtful design, safety features, and
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3. RecPro Fresh and Gray Water Holding Tank – Combo Pack – for RV and Campers (200 Gallon) BPA Free

When I first came across the RecPro Fresh and Gray Water Holding Tank Combo Pack, I was intrigued by its impressive specifications and the convenience it promises for RV and camper enthusiasts like myself. With a substantial capacity of 200 gallons, this combo pack is designed to meet the needs of those who love to explore the great outdoors without sacrificing comfort. The fact that it’s BPA-free adds an extra layer of assurance that it’s safe for use, which is always a top priority for me when choosing products for my travels.
The quality of the materials used in this tank is exceptional. Constructed from high-quality polyethylene plastic, it has received FDA approval, which gives me peace of mind knowing that it adheres to safety and health standards. The durability of the material means I can rely on it during my trips without worrying about leaks or damage. Additionally, I appreciate that all tanks are pressure tested, ensuring that they can withstand the rigors of travel and usage, which is crucial for long road trips or extended camping periods.
In terms of dimensions, each tank measures 11″ x 81″ x 26″, making it a compact yet spacious solution for my RV or camper. This size allows for easy installation and fitting into various setups, maximizing the space I have available. I find that the design is not only functional but also user-friendly, as it simplifies the process of managing fresh and gray water, which can often be a hassle when on the road.
Being made in America is another aspect that I deeply appreciate. It supports local manufacturing and gives me confidence in the product’s quality and craftsmanship. Knowing that I’m investing in a product that contributes to the economy while also meeting my needs is a win-win situation. As someone who enjoys spending time in nature, having a reliable water holding tank enhances my overall experience, allowing me to focus more on adventure and less on logistics.
Overall, the RecPro Fresh and Gray Water Holding Tank Combo Pack is a smart investment for any RV or camper owner. It combines quality, safety, and practicality in a way that is hard to beat. If you’re like me and love hitting the road for camping trips or lengthy travels, this product could significantly improve your experience. I genuinely believe this is a purchase you won’t regret, as it will make your adventures smoother and more enjoyable.
Feature Description Material High-quality polyethylene plastic, FDA approved Capacity 200 gallons Dimensions 11″ x 81″ x 26″ Pressure Testing All tanks are pressure tested for durability Manufacturing Made in America
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4. Class A Customs – T-12500 – One (1) RV Fresh Water 125 Gallon Tank Grey Water – Ribbed for Extra Support

As I delve into the details of the Class A Customs T-12500, I can’t help but feel a sense of excitement for anyone considering this product. This 125-gallon RV fresh water tank is a game-changer for anyone who enjoys the freedom of road travel, camping, or operating a mobile business. The sheer capacity of this tank means that you can enjoy extended trips without the constant worry of water availability. Whether you need fresh drinking water or a grey water holding tank, this product is versatile enough to meet those needs seamlessly.
One of the standout features of the T-12500 is its construction from NSF-approved materials. This certification ensures that the tank is safe for holding fresh and drinking water, which is paramount for health-conscious users like me. The peace of mind that comes with knowing that the water I consume is stored in a safe environment cannot be overstated. Additionally, the tank is manufactured in Elkhart, Indiana, which speaks to the quality craftsmanship and attention to detail that Class A Customs is known for.
The dimensions of the tank—64.5 inches in length, 18 inches wide, and 26.25 inches tall—make it a practical choice for various applications. I appreciate that the tank can sit on any side, allowing for flexibility in installation based on my specific needs. The average thickness of 7/32 inches adds to the durability of the tank, ensuring it can withstand the rigors of travel and use in a variety of environments. I find it reassuring to know that the manufacturing process allows for slight variations in measurements, giving me the confidence that I am receiving a product designed with precision.
Moreover, the built-in fittings are a significant advantage. With six 1.5-inch female NPT fittings and two 0.5-inch female NPT fittings, I have the flexibility to customize my setup as needed. The fact that these fittings are sealed and water-tight means I can focus on enjoying my adventures without constantly worrying about leaks. However, I appreciate the clear instructions regarding the use of fittings, including the advice to avoid over-tightening, which reflects the thoughtful design and user consideration that Class A Customs embodies.
It’s also important to note that the T-12500 is a non-pressurized tank. This feature is vital for safety, as it requires proper venting to avoid any potential issues during use. The clear guidance on avoiding a sealed connection with a garden hose is something I find particularly helpful. It’s these little details that make a product truly user-friendly. For anyone planning to fill this tank, utilizing a fill dish or gravity process is a simple yet effective solution that ensures safe operation.
The versatility of this tank cannot be overstated. I envision it being a perfect addition to RVs, pop-up campers, off-road vehicles, concession trailers, and even portable hand washing sinks. With the T-12500, I can enhance my outdoor experiences, whether I’m camping in the woods or serving delicious food at an event. The tank opens up a world of possibilities, allowing me to enjoy the convenience of extra water storage wherever I go.
In conclusion, I genuinely believe that the Class A Customs T-12500 is an investment worth making. Its quality construction, versatile applications, and user-centric design make it a standout choice for anyone in need of a reliable water storage solution. If you’re looking to enhance your adventures with the peace of mind that comes from having ample water supply, I encourage you to consider this tank. It may very well be the upgrade that transforms your experience on the road or at your next event.
Feature Description Capacity 125 Gallons Material NSF Approved, Fresh & Drinking Water Safe Dimensions 64.5” L x 18” W x 26.25” H Thickness Average 7/32” +/- Fittings Six 1.5″ Female NPT, Two 0.5″ Female NPT Usage Fresh or Gray Water Storage Manufacturing Location Elkhart, Indiana, USA
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Why a 100 Gallon RV Water Tank is Essential for My Adventures
As someone who loves exploring the great outdoors in my RV, having a reliable water supply is crucial for making my trips enjoyable. A 100-gallon RV water tank has truly transformed my camping experience, providing me with the freedom to travel off the beaten path without worrying about where I’ll find my next water source. The ample capacity means I can stay in remote locations for longer periods, allowing me to immerse myself in nature without the constant need to refill.
Having a larger tank also means less frequent stops for water, which is a game-changer for me. I can focus on enjoying my time by the campfire or hiking the trails instead of spending hours searching for a water refill station. Plus, with a 100-gallon tank, I can easily accommodate additional activities like washing dishes, showering, and even doing laundry if needed. This level of convenience enhances my overall comfort and makes my RV feel more like a home away from home.
Additionally, the peace of mind that comes with a larger water supply cannot be overstated. I’ve been in situations where water sources were scarce or contaminated, and having my own clean water supply has allowed me to avoid potential health risks
Buying Guide for a 100 Gallon RV Water Tank
Understanding My Needs
When I first started looking for a 100-gallon RV water tank, I realized it was essential to understand my specific needs. My RV trips often involve extended stays in remote areas where water sources may not be readily available. I knew I needed a tank that could provide ample water supply without compromising space or weight.
Choosing the Right Material
One of the first decisions I faced was the material of the tank. I discovered that RV water tanks typically come in materials like plastic, fiberglass, and metal. Plastic tanks are lightweight and resistant to corrosion, which was a huge plus for me. Fiberglass tanks offer durability and resistance to UV rays, while metal tanks, although sturdy, can be prone to rust. I had to weigh the pros and cons based on my travel habits.
Size and Dimensions
While I was specifically interested in a 100-gallon tank, I also needed to consider the dimensions to ensure it would fit in my RV. I measured the available space in my RV to avoid any surprises during installation. It’s crucial to account for height, width, and depth, as well as any additional space required for fittings and connections.
Installation Considerations
I found that installation can vary significantly depending on the tank design and my RV’s plumbing system. I needed to assess whether I was comfortable doing the installation myself or if I would require professional help. Some tanks come with installation kits, which can simplify the process. I made sure to read through the installation instructions thoroughly.
Weight and Distribution
Weight distribution is another critical factor I considered. A full 100-gallon tank weighs approximately 800 pounds. It was essential for me to think about how this weight would affect my RV’s handling and balance. I researched the best positions for the tank to ensure that the weight was evenly distributed for safer driving.
Compatibility with Existing Systems
Before purchasing, I checked the compatibility of the 100-gallon tank with my existing water systems. I needed to ensure that the tank could work seamlessly with my current plumbing, pumps, and fittings. This compatibility would save me time and potential headaches during installation.
Drainage and Maintenance
I learned that a good drainage system is vital for maintaining the tank. I looked for features like drain valves that would make it easy to empty the tank completely. Additionally, I wanted to understand the maintenance requirements of the tank to ensure it remained clean and functional throughout my travels.
Budgeting for the Purchase
Setting a budget was crucial for me, as 100-gallon RV water tanks come in a wide range of prices. I compared the costs of different materials, brands, and features while keeping an eye on my budget. I wanted to ensure that I was getting the best value for my investment without compromising quality.
Reading Reviews and Gathering Feedback
Before finalizing my decision, I read reviews and gathered feedback from other RV owners. Their experiences helped me identify any potential issues with specific tanks. I found that discussing with fellow RV enthusiasts provided insights that I wouldn’t have considered otherwise.
Final Thoughts
Buying a 100-gallon RV water tank was a significant decision for me. By taking the time to understand my needs, considering different materials, and ensuring compatibility with my RV, I felt confident in my choice. Each step of the process, from installation to maintenance, played a crucial role in enhancing my RV experience.
Author Profile

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I'm Allan Hopson, formerly a Distinguished Visiting Professor of Politics and History at Hillsdale College, where I shared my insights until my retirement in 2013. Currently, I am the John A. Howard Distinguished Fellow for Family and Religious Studies at the International Organization for the Family, and I serve as the Editor of The Natural Family.
Beginning in 2025, I have embarked on a new venture—writing an informative blog focused on personal product analysis and first-hand usage reviews. This transition allows me to explore a wide range of products, offering detailed insights and practical advice based on thorough research and my personal experiences. Through my blog, I aim to provide readers with honest, in-depth information that helps them make informed decisions in their everyday lives.
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