The 9 Best External Gray Water Tanks (2022 reviews)

The Camco External Gray Water Tank's superior materials make sure that it ages well with use. The camco external gray water tank is compatible with standard garden hose threads. Keep contaminants separate from your drinking water hose or garden hose. Moreover, the tank is made of durable pvc.

The tank is very stiff and it comes with new hoses. Moreover, the tank is handy to have and it works very well. Most importantly, the camco external gray water tank is very good, It is extremely useful and has a good design.

Almost all customers agree that the tank has a different thread size. I hope that helps. Further, a few say that the tank works well but should be packaged with a 25ft hose. Further, a few strongly agree that the hose is very sturdy though and has a nice length. Obviously, this tank passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:

This is easy to hook up and the "on/off" switch comes in very handy.
It is a great idea to have a dedicated hose for tank rinsing.
The bright orange color helps prevent hose mix ups.
This makes life easy and clean, without any splash back.

Best For Good Construction: Barker External Gray Water Tank

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The Barker External Gray Water Tank's high-end materials makes sure that it ages well with use. Further, it is built for good construction, it works well and has good design. Make sure this fits by entering your model number. Above all, the barker external gray water tank is made with absolutely no complaints, read the directions and it works as advertised.

Most customers find that the tank does take some effort to tilt the tank. Further, they say that the tank allows the unit to be hitched to the tow vehicle. Consequently, buyers were very happy to recommend it to friends and families.

Top Customer Quotes:

This comes with a flushing hose and a pull handle.
It has out-houses and running water.
This is great for camping or van living.
Included with 15, 22, and 30 gallon tote - alongs.

Best For Fast Delivery: Tote-N-Stor External Gray Water Tank

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The Tote-N-Stor External Gray Water Tank has killer features for the price point. The tote-n-stor external gray water tank works very well and it is designed for a great price. Completely assembled, 8" long, steel tow bracket lets you pull the tank behind your vehicle or rv to the dump station. And, it is easy to handle and it is plenty big.

Lastly, the tote-n-stor external graywater tank is easy to fill and it is ready to use.

Most customers quickly discovered that the tank comes in handy if staying at campgrounds for extended periods or to dump at home. In addition, a few strongly agree that the tank allows us to transport it in a vehicle without tipping over or spilling the water. Moreover, a few also found that this tote is tuff and the included hitch adapter was great. Therefore, most customers find the tank is functionally comfortable and no one questions it.

Top Customer Quotes:

This works as advertised, it comes with great items and has a good design.
This comes with one fitting for the 3" hose.
This is easy to lift & pull with a built in handle.
This is easy to carry with quiet rubber wheels.

Best For Perfect Size: Smarttote 2 External Gray Water Tank

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Compared with other tanks in this category, the Smarttote 2 External Gray Water Tank has a convenient design. The smarttote 2 external gray water tank is very good and it works very well. Make sure this fits by entering your model number. Also, the tank is easy to handle, is lightweight and it reads the sticker.

The tank comes with a retainer strap that holds the heavy-duty sewer hose in place. And, the tank is fitted with an auto stop level gauge that prevents overfilling but also accelerates the emptying process. Above all, the smarttote 2 externalgray watertank allows for perfect size, It is great for fast shipping and has a rugged design.

Most buyers found that the tank was well worth the low price. Also, they say that the tank has an updated design for the better. And, they strongly agree that the tank is easy to use and easy to move by hand when full. Overall, many have used the tank for more than a few months without any complaints, and it shows no sign of giving up.

Top Customer Quotes:

The 2 wheeled smarttote2 is a straightforward 35 gallon portable waste tank for rv's.
This has tightened the clamp and has a good design.
New and hot releases.

Best For State Parks: Smarttote2 External Gray Water Tank

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate tank. The Smarttote2 External Gray Water Tank is exactly that - it's a simple tank that hits all the right notes. The smarttote2 external gray water tank is easy to fill, it is easy to rinse and has a good design. Make sure this fits by entering your model number. In addition, the tank protects pre-attached hose and sewer fittings. Most importantly, the smarttote2 external graywater tank is innovative and has a rugged design.

Most buyers quickly discover that the tank looks sturdy but the wheels come off too easily and the storage compartment is not right. Also, a few strongly agree that the tank is used to using water at home and is adjusting to trailer life. In addition, a few say that the handle folds under the tote, so there 's no need to remove it for storage or portability.

Top Customer Quotes:

[Convenience]: easy to maneuver - handle hooks onto trailer hitch for easy towing.
This is easy to use with less mess.
[Accessibility]: large port opening for easy rinsing; autostop level gauge prevents overfilling.
[Innovative]: permastore compartment protects pre-attached hose and sewer fittings.

Best For Great Price: Alpha Systems External Gray Water Tank

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Alpha Systems offers a variety of tanks for personal choice and yet maintains quality in all the variants. The Alpha Systems External Gray Water Tank is built to standards specified by iapmo (international association of plumbing and mechanical officials) and the Canadian standards association. Make sure this fits by entering your model number. These rv holding tanks (waste water) have standard configurations with the option to customize fittings.

Lastly, the alpha systems externalgray water tank is a perfect fit and it installed quickly.

Almost all buyers found that the tank includes sensor probes and a 3" pipe fits snugly inside the outlet. Further, they also found that the tank does not have holes pre drilled and the photo in the description is accurate. In addition, a few say that this tank fits anything. That 's why there is no commode hole.

Top Customer Quotes:

This can be used either way.
This includes a 3" grommet, 2 1/12 " grommets and extra sensors.
Alpha systems blow-molded hdpe tanks are an integral component to all recreational vehicles.
This is perfectly between the frame and the cross members with a custom support bracket.

Best For Good Quality: Class A Customs External Gray Water Tank

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The Class A Customs External Gray Water Tank's high-end materials makes sure that it ages well with use. Also, the tank is used to the perfect size and it is very good. The tank must be vented allowing air in and out when in use. Above all, the class a custom external gray watertank can be used in rv’s campers, trailers, motorhomes and tiny houses.

Most buyers opine that the tank is perfect for the enclosed trailer cargo trailer. Moreover, a few say that the tank is easy to install otherwise. In short, at the price, they believe that they got a steal of a deal with it.

Why We Like This:

Do not pressurize the tank* Do not over-tighten fittings. damage will occur.
Good brand reputation.

Best Rugged Design: Hike Crew External Gray Water Tank

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The Hike Crew External Gray Water Tank's superior materials makes sure that it ages well with use. Further, it is lightweight and has a rugged design. Make sure this fits by entering your model number. Lastly, the hike crew external gray water tank has a level indicator and it works as advertised.

Most customers found that the tank fits the spout to allow a conventional bayonet hose fitting to be attached as shown in the photos, for splash-free dumping. Moreover, they say that the tank fits "americanizer" adapter additionally has a large opening that water can drain into.

Why We Like This:

New and hot releases.
Lot of satisfied buyers.

Best Low Profile Tank: Recpro External Gray Water Tank

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The Recpro External Gray Water Tank's material feels more premium than its price would suggest. Make sure this fits by entering your model number. Also, the tank is built to standards specified by iapmo (international association of plumbing and mechanical officials) and the Canadian standards association. In conclusion, with a 4.4 rating and more than 80 buyers, the recpro external gray water tank stands as the best choice.

To sum up, most buyers call the tank suits best, and no one questions it.

Why We Like This:

Blow-molded hdpe tanks are an integral component of all recreational vehicles.
Lot of satisfied buyers.