The Best Rv Gray Water Tank of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Rv Gray Water Tank of 2022. Check our ranking below.
2,468 Reviews Scanned
SaleRank No. #1
Camco Rhino 21-Gallon RV Portable Waste Tank - Features Large Heavy-Duty No-Flat Wheels & Low Drain Hole - Includes Removable Steel Tow Adapter, 3’ Sewer Hose & More RV Accessories (39002)
- Simplify RV Waste Disposal: Make waste disposal hassle-free with Camco's portable waste tank. Easily transport waste from your RV black water tank to a dump station— perfect for when you're parked far away & your RV sewer hose won't reach
- Effortless Transport: Haul your waste with ease with no-flat wheels built for any terrain, an oversized handle for easy maneuvering, & a steel tow adapter for effortless towing behind a truck or golf cart
- Tough & Reliable Measuring 20 ½″ (L) x 13″ (W) x 40″ (H) and weighing 34.5 lb, this RV essential is constructed from durable, UV-stabilized blow-molded HDPE. It withstands outdoor use without leaks or sun damage
- Patented Design Made In The USA: Rhino Tote Tanks are proudly manufactured in the USA with premium materials for unmatched durability. The patented design ensures exceptional craftsmanship and quality
- RV Tote Tank Features: Rhino’s 21-Gallon Tote Tank is equipped with (2) oversized wheels, a large handle, tank rinser, and ladder hook
Rank No. #2
16 Gallon RV Fresh/Gray Water Tank 24" x 15" x 10" BPA Free (16 Gallon)
- This 16 gallon water tank measures 24" x 15" x 10" (not including fittings)
- These rotational molded fresh water tanks are made from a high quality durable polyethylene material.
- One piece seamless construction - No Seams to burst
- All tanks come with (1) 1.25" water fill inlet and (3) 3/8" NPT connections. Non-Pressurized Tank - The tank must be vented
- Stain, corrosion and rust resistant features make them ideal for replacement or OEM installation on RVs, horse trailers or marine products.
Rank No. #3
Barker 10893 Tote Tank - 10 Gallon Capacity , Blue
- 10 gallon capacity
- Constructed of sturdy polyethylene
- Includes a convenient 3" vented cap
- Large wheels for easy toting
Rank No. #4
classAcustoms WT-1653 3" Black Water RV Waste Holding Tank 16 Gallon Concession and Camper Waste Black Gray Tank
- 16 Gallon RV Waste Water Holding Tank MADE IN THE USA by Class A Customs using Medium Density Polyethylene (MDPE) Resin TANK NOT FOR FRESH OR DRINKING WATER USE – WASTE/GRAY WATER USE ONLY – Used in RV’s Campers, Trailers, Motorhomes and Tiny Houses
- INSTALLED OUTLET 3” ABS Female Pipe - outlet can not be moved DO NOT over-tighten fittings damage will occur Dump valves do not hook directly to the 1.5" ABS fitting, from the outlet run PVC or ABS piping (not included), dump valve (not included) is added to the piping.
- INLET & VENT INSTALLATION Class A Customs Black Water Tanks only come with the outlet the end user will determine where the inlet and vent will need to be placed and install, hardware NOT included. TANK MUST BE VENTED allowing air in and out when in use. *DO NOT PRESSURIZE TANK* DO NOT over-tighten fittings damage will occur.
- NOT INCLUDED Inlet and Vent Fittings / Additional Fittings / Hardware / Mounting Hardware / Dump Valve / Piping NOT INCLUDED
- Please see the Photos showing the detailed dimension of this tank
Rank No. #5
Class A Customs | RV Fresh and Gray Water Tank | Combo Pack (30 Gallon & 40 Gallon) | RV Water Holding Tanks
- Combo Pack (ONE) 30 Gallon & (ONE) 40 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
- NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
- 30 and 40 GALLON EACH TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
- 30 GALLON TANK MEASUREMENTS 34.5” x 12” x 17.5” -Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
- 40 GALLON TANK MEASUREMENTS 39.5” x 13” x 18” -Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
SaleRank No. #6
Camco TST Camper/RV Grey Water Odor Control - Removes Grease Buildup in Gray Water Tank, Sink & Shower Drains - 4oz Treats 40-Gal Holding Tank - Safe Septic Tank Treatment - Lemon, 64 oz (40256)
- RV Grey Water Tank Treatment: Effectively cleans your RV's grey water system by removing tough grease buildup from tanks, sinks, and shower drain lines, helping to prevent clogs and maintain smooth water flow during your adventures.
- Powerful RV Holding Tank Deodorizer: Neutralizes unpleasant odors caused by waste and residue, replacing them with a clean, refreshing scent, so your camper remains inviting and odor-free, whether you're on the road or parked at your favorite spot.
- Safe for Septic Tanks: Crafted with care for the environment, this solution is septic tank-safe, formaldehyde-free, and non-staining—delivering powerful results while protecting your RV & minimizing environmental impact.
- Convenient & Easy to Use: Simplify RV maintenance with this 64 oz concentrated formula. Just 4 oz treats a 40-gal. tank with maximum efficiency. Stay a happy camper with this camping essential for a fresh, clean RV on all your adventures.
- Lasting Fresh Lemon Scent: Infuses your RV grey water tank with a crisp lemon fragrance, eliminating any lingering odors and keeping your RV smelling clean and welcoming.
Rank No. #7
YITAMOTOR 40L Portable Water Tank with Solid Handle, Odorless Tote for Camper with Large Wheels, Portable Water Holding Tank with Filling and Draining Ports for Efficient Water Management, Gray
- Big Water, No Worries: With a 10.6-gallon capacity, this portable water tank’s got your back for camping, road trips, or boating. Freshwater or sewage, it handles it all so you can stay hydrated whenever you need
- Effortlessly Move: Those chunky wheels and comfy metal handle make this portable tank a dream to move. Bumpy trails or uneven ground won’t slow you down, just roll on with ease
- Built To Brave The Wild: Made from durable PP and HDPE material, this camping water tank laughs at wear and tear. Multiple outlets mean filling and dumping is quick and smooth every time
- Grab And Go: No setup drama here. Just grab it, go, and get straight to the fun. Whether it’s a hike or a picnic, this portable water holding tank keeps you in the moment, not stuck prepping
- Your Go-To For Every Adventure: Camping, festivals, sports days, or even a construction site, this tote for camper fits into your plans like a charm. Wherever life takes you, it’s got your hydration game covered
Rank No. #8
RecPro RV Holding Tank | 54" x 22" x 8" | for Black Water Applications | Made in USA (30 Gallon)
- Large 30-gallon capacity - Say goodbye to constantly emptying your holding tank. Our holding tank holds a whopping 30 gallons, giving you peace of mind on your next RV trip.
- Proudly made in the USA - Trust in quality and craftsmanship with our holding tank, manufactured by Ameri-Kart Inc right here in the USA. We take pride in providing American-made products for all your RV needs.
- Durable high-density plastic - Constructed from premium polyethylene material, our holding tank is built to last through years of use on the road. It's also rotomolded for added strength and reliability.
- Low adhesion surface - Tired of cleaning out gunk and debris from your holding tank? Our low adhesion surface makes clean-up a breeze, saving you time and hassle.
- Versatility at its finest - Our blank tank is perfect for black water applications, making it a must-have for any RV owner. Choose convenience with our holding tank today!
Rank No. #9
Class A Customs | One (1) RV Fresh and Gray Water use 33 Gallon Tank | T-3300
- 33 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
- WATER TANK MEASUREMENTS: 36” Longest Length (not including fittings) x 12” x 17.75” Average thickness 7/32” +/- (+/- .25" on each measurement)
- TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
- NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
- Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
Rank No. #10
Class A Customs | One (1) RV Fresh and Gray Water 30 Gallon Tank | T-3000
- 30 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
- WATER TANK MEASUREMENTS: 34.5” Longest Length (not including fittings) x 12” x 17.5” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
- TANK BUILT-IN TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.: (TWO) 1.5" Balloon Style Threaded Female NPT Standard - fitting will be closed, to use remove inner membrane with razor knife (TWO) .5" Threaded Female NPT Standard - open fitting, unsealed
- NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
- Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
Last update on 2025-07-03 / Affiliate links / Images from Amazon Product Advertising API
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