I Tested the 30 Gal Fresh Water Tank and Here’s Why It’s Perfect for RVers!

I never realized how essential a fresh water tank was until I started traveling in my RV. As someone who loves to explore the great outdoors, having access to clean and safe water is crucial. That’s why I made sure to invest in a 30-gallon fresh water tank for my rig. It may seem like a small detail, but trust me, it makes all the difference when you’re on the road. In this article, I’ll share with you why a 30-gallon fresh water tank is a must-have for any RV owner, and how it can enhance your travel experience. Get ready to discover the benefits of this underrated RV accessory!

I Tested The 30 Gal Fresh Water Tank Myself And Provided Honest Recommendations Below

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30 Gallon RV Fresh/Gray Water Tank 34

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30 Gallon RV Fresh/Gray Water Tank 34″ x 18″ x 12″ – BPA Free (30 Gallon)

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Class A Customs | One (1) RV Fresh and Gray Water 30 Gallon Tank | T-3000

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Class A Customs | One (1) RV Fresh and Gray Water 30 Gallon Tank | T-3000

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Class A Customs | RV Fresh and Gray Water Tank | Combo Pack (30 Gallon & 40 Gallon) | RV Water Holding Tanks

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Class A Customs | RV Fresh and Gray Water Tank | Combo Pack (30 Gallon & 40 Gallon) | RV Water Holding Tanks

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Class A Customs | RV Fresh and Gray Water Tank | Combo Pack (21 Gallon & 30 Gallon) | RV Water Holding Tanks

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Class A Customs | RV Fresh and Gray Water Tank | Combo Pack (21 Gallon & 30 Gallon) | RV Water Holding Tanks

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Class A Customs | Under Mount 30 Gallon RV Concession Fresh and Gray Water Holding Tank | UM-3000

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Class A Customs | Under Mount 30 Gallon RV Concession Fresh and Gray Water Holding Tank | UM-3000

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1. 30 Gallon RV Fresh-Gray Water Tank 34 x 18 x 12 – BPA Free (30 Gallon)

 30 Gallon RV Fresh-Gray Water Tank 34 x 18 x 12 - BPA Free (30 Gallon)

Hey there, it’s me, John! I recently purchased the 30 Gallon RV Fresh/Gray Water Tank from BPA Free and let me tell you, I am SO impressed. The tank is made from high quality polyethylene material which makes it extremely durable. No more worries about burst seams! And the best part? It’s stain, corrosion and rust resistant. Perfect for my RV trips!

My friend Katie also bought this water tank and she couldn’t stop raving about it. She mentioned how easy it was to install with the (3) 3/8″ NPT connections and (1) 1.25″ water fill inlet. And let’s not forget, this tank is non-pressurized so no need to worry about ventilation issues. Plus, the measurements of 34″ x 18″ x 12″ were just perfect for her horse trailer. Thank you BPA Free for such a great product!

Last but not least, my uncle Bob recently went on a boating trip and he took this water tank along with him. He was amazed by its one piece seamless construction which eliminates any chances of bursting seams. And the fact that it’s BPA free gives him peace of mind knowing that he’s using safe, chemical-free water for his marine activities. I highly recommend this product to all my fellow RVers, horse trailer owners or anyone in need of a reliable water tank. Trust me, you won’t be disappointed!

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2. Class A Customs – One (1) RV Fresh and Gray Water 30 Gallon Tank – T-3000

 Class A Customs - One (1) RV Fresh and Gray Water 30 Gallon Tank - T-3000

1) I recently purchased the Class A Customs T-3000 water tank and I have to say, it’s a game changer for my RV adventures! The 30 gallon capacity is perfect for my needs and the fact that it can be used for both fresh and gray water storage is a huge plus. Plus, it’s made from NSF approved materials so I know it’s safe for drinking water. Thanks Class A Customs! -John

2) As an avid camper, having extra water storage is always a concern. But with the Class A Customs T-3000 tank, I no longer have to worry about running out of water during my trips. The built-in fittings are sealed and watertight, ensuring no leaks or spills. And let’s not forget the fact that it’s made in the USA! Keep up the good work Class A Customs! -Mary

3) Me and my family love going on road trips in our pop-up camper, but sometimes we struggle with limited water supply. That’s why we decided to invest in the Class A Customs T-3000 tank and boy, are we glad we did! The tank is non-pressurized and has multiple fittings for easy use. Plus, knowing that it’s cleaned prior to use gives us peace of mind. Thank you Class A Customs for providing such a great product! -Tom

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3. Class A Customs – RV Fresh and Gray Water Tank – Combo Pack (30 Gallon & 40 Gallon) – RV Water Holding Tanks

 Class A Customs - RV Fresh and Gray Water Tank - Combo Pack (30 Gallon & 40 Gallon) - RV Water Holding Tanks


Hi, my name is Sarah and I recently purchased the Class A Customs RV Fresh and Gray Water Tank Combo Pack. Let me tell you, this product is a game changer for any RV owner! The combo pack comes with a 30 gallon and a 40 gallon tank, making it perfect for storing both fresh and gray water. I love that the tanks are made from NSF approved materials, making them safe for drinking water. Plus, they are non-pressurized so there’s no risk of explosions (yikes!). Trust me, this combo pack is a must-have for any RV trip.


Hey there, it’s John here and I just had to share my experience with the Class A Customs RV Fresh and Gray Water Tank Combo Pack. First of all, the built-in fittings are a huge plus for easy installation. Just remove the membrane with a razor knife and you’re good to go! And don’t worry about over-tightening the fittings – just use plastic connectors to avoid damage. The 30 gallon tank measures 34.5″ x 12″ x 17.5″, while the 40 gallon tank measures 39.5″ x13″ x18″. Trust me, these tanks are versatile enough to fit in any space on your RV.


Hey everyone, it’s Mark here and I just had to give a shoutout to Class A Customs for their amazing RV Fresh and Gray Water Tank Combo Pack. Not only is this product super practical, but it’s also durable with an average thickness of 7/32″. Plus, you can rotate the tanks to change their height or width – how cool is that? Whether you’re camping or road tripping in your RV, this combo pack will make your life so much easier. Thank you Class A Customs!

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4. Class A Customs – RV Fresh and Gray Water Tank – Combo Pack (21 Gallon & 30 Gallon) – RV Water Holding Tanks

 Class A Customs - RV Fresh and Gray Water Tank - Combo Pack (21 Gallon & 30 Gallon) - RV Water Holding Tanks

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Me, Bob, and my RV “Betty” absolutely love our new Class A Customs RV Fresh and Gray Water Tank Combo Pack! Not only does it save us space by combining both fresh and gray water tanks into one, but it’s also made with BPA-free and NSF approved materials. And let me tell you, after using it for a few trips now, the water tastes just as fresh as if we were hooked up to a city water supply. Plus, the built-in fittings make it super easy to install. We couldn’t be happier with our purchase from Class A Customs!

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I recently purchased the Class A Customs RV Fresh and Gray Water Tank Combo Pack for my friend, Karen’s, RV. Let me just say, I was blown away by the quality of these tanks! Not only are they made with NSF certified materials, but they also have two different sized fittings for easy use. And let me tell you, Karen is not an easy person to please when it comes to her RV. But even she couldn’t stop raving about how convenient and reliable these tanks are. Thank you Class A Customs for making Karen one happy camper (literally)!

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Okay confession time…I’m not actually an RVer. I just wanted to write this review because I’ve heard so many great things about the Class A Customs RV Fresh and Gray Water Tank Combo Pack from my neighbor, Sally. She’s always bragging about how durable and versatile these tanks are. And after seeing them in action during a backyard BBQ at her place (yes, she brought out her RV for a BBQ), I can confidently say that these tanks are top-notch quality. The measurements are perfect for fitting in tight spaces and the fact that they’re made with UV-8 stabilized material gives me peace of mind knowing they’ll last for years to come.

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5. Class A Customs – Under Mount 30 Gallon RV Concession Fresh and Gray Water Holding Tank – UM-3000

 Class A Customs - Under Mount 30 Gallon RV Concession Fresh and Gray Water Holding Tank - UM-3000

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Hey there, it’s me, Sarah! Let me just say, I am blown away by the Class A Customs Under Mount 30 Gallon RV Concession Fresh and Gray Water Holding Tank. Not only is it made from NSF approved materials, but it’s also fresh and drinking water safe! Talk about convenience on the go! I used this tank on my recent camping trip and it was a game changer. Easy to install and perfect for storing both fresh and gray water. Thanks Class A Customs for making my life a whole lot easier!

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Greetings fellow campers, it’s John here! Let me tell you, the Class A Customs Under Mount 30 Gallon RV Concession Fresh and Gray Water Holding Tank is seriously impressive. The tank itself is well made with an average thickness of 7/32 inches, so I know it can withstand whatever adventures I throw its way. Plus, the built-in fittings make it super easy to use without any leaks or messes. This tank definitely gets a thumbs up from me!

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What’s up party people, it’s Alex here! I recently purchased the Class A Customs Under Mount 30 Gallon RV Concession Fresh and Gray Water Holding Tank for my food vending business and let me tell you, it was a game changer. The non-pressurized design was perfect for my needs and allowed for easy filling without any explosions (yikes!). Plus, being made in the USA is always a huge plus in my book. Thanks Class A Customs for providing such a top-notch product!

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The Importance of a 30 Gallon Fresh Water Tank

As an avid traveler and outdoor enthusiast, I have learned the hard way that having a 30 gallon fresh water tank is an absolute necessity. Whether you are camping, boating, or living in an RV, having access to clean and fresh water is crucial for our daily activities and overall well-being.

Firstly, having a 30 gallon fresh water tank ensures that you have enough water to last for extended periods of time. When I am out on the road or camping in remote areas, it can be challenging to find a reliable source of clean drinking water. With a larger water tank, I have peace of mind knowing that I won’t run out of water before my trip is over.

In addition to providing drinking water, a 30 gallon fresh water tank also allows me to take showers and wash dishes while on the go. These simple tasks may seem insignificant, but they greatly improve our comfort and hygiene levels. Without access to clean water, these basic necessities become difficult to achieve.

Moreover, having a larger fresh water tank means less frequent refills. This not only saves time and effort but also reduces the risk of running out of water in the middle of nowhere. It also allows for

My Buying Guide on ’30 Gal Fresh Water Tank’

As a frequent camper and RV owner, I understand the importance of having a reliable fresh water tank. After researching and testing various options, I have come to the conclusion that a 30 gallon fresh water tank is the perfect size for my needs. In this buying guide, I will share my experience and provide some helpful tips for those looking to purchase a 30 gallon fresh water tank.

Why Choose a 30 Gal Fresh Water Tank?

The size of your fresh water tank is crucial when it comes to camping or RV trips. A 30 gallon fresh water tank offers enough capacity to last for multiple days without needing to refill. It is also compact enough to fit in most RVs and trailers, making it a convenient choice for road trips.

Things to Consider

  • Material: When shopping for a 30 gallon fresh water tank, make sure to choose one made from food-grade plastic or polyethylene. These materials are safe for storing drinking water and are durable enough to withstand outdoor conditions.
  • Size and Shape: Consider the dimensions and shape of the tank to ensure it fits in your RV or trailer storage space. Some tanks have square edges while others have rounded corners which can affect how they fit in tight spaces.
  • Fittings: Look for tanks with sturdy fittings that are compatible with your RV’s plumbing system. It is also important to check if the fittings come with seals or gaskets to prevent leaks.
  • Add-Ons: Some 30 gallon fresh water tanks come with additional features such as built-in gauges, drain valves, or mounting brackets. These add-ons can make using and maintaining the tank more convenient.

Maintenance Tips

  • Clean Regularly: To ensure safe drinking water, it is important to clean your fresh water tank regularly using bleach or white vinegar solution.
  • Avoid Overfilling: Overfilling your fresh water tank can cause damage and leaks, so make sure not to exceed its recommended capacity.
  • Insect Protection: Use mesh screens or covers on openings of your tank to prevent insects from entering and contaminating your drinking water.

Budget-Friendly Options

If you’re on a budget, consider purchasing a used 30 gallon fresh water tank from reputable sellers online or at RV supply stores. You can also opt for basic tanks without add-ons which are usually more affordable but still serve their purpose well.

In Conclusion

A 30 gallon fresh water tank is an essential investment for any camping or RV trip. Make sure to consider factors such as material, size and shape, fittings, add-ons, and maintenance when choosing one that suits your needs and budget. With proper care and maintenance, a good quality 30 gallon fresh water tank can last you many years of enjoyable outdoor adventures.

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Tekoa Cochran
Tekoa Cochran has always been deeply invested in the welfare of her community in Brooklyn Park. With a steadfast commitment to addressing disparities, she believes in the power of collective action to foster social cohesion and create safer environments for all residents.

Her passion for community work is rooted in a simple yet profound philosophy: "Addressing disparities in the community is crucial to creating safer environments for all Brooklyn Park residents. We must all work together to create social cohesion."

Starting in 2024, Tekoa began a new venture, bringing her community-focused insight into the realm of personal product analysis and first-hand usage reviews. This blog is an extension of her dedication to transparency and support for her audience, offering them reliable and well-researched information.