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Most RV gear falls into one of two categories: stuff that sits in a drawer after one trip, or stuff that quietly earns its keep every single outing. 9 RV gadgets under $30 that actually work means separating the gimmicks from the tools that solve real campsite problems, like a sewer hose fitting that won’t budge or a tank that smells like last week’s dump station.

Cheap doesn’t mean flimsy here. A lot of the best RV add-ons are small, single-purpose items that cost less than a tank of propane but save you a sore wrist or a messy hookup. The trick is knowing which ones address an actual chore and which ones are solving a problem you never had.

We’ve looked at nine affordable products that cover the chores most RVers deal with on a regular basis: sewer connections, dish duty, tank odor, leveling, winterizing, and a few small bathroom and kitchen annoyances. Some are must-haves. Others are nice extras that only make sense for certain setups.

Best for stubborn sewer fittings: Camco RhinoFLEX Sewer Hose Wrenches
Best for tiny galley kitchens: Seropy Collapsible Dish Drying Rack
Best for black tank odor control: Camco TST MAX Toilet Treatment Drop-INs
Best for quick campsite leveling checks: ZUJHPYMI Magnetic T Levelers
Best for fall and spring winterizing: Camco Brass Blow Out Plug
Best for keeping soap off the floor: OpenGlass Soap Swivel Caddy
Best for weak factory shower pressure: ECOHARV RV Shower Head with Hose
Best for small, bump-prone bathrooms: Dealsgogo Silicone Toilet Brush
Best for doors that won’t stay open: Acostop Magnetic Door Catch

Camco RhinoFLEX Sewer Hose Wrenches

Camco RhinoFLEX RV Sewer Hose Wrenches, 2-Pack, Orange
$8.99
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10/12/2026 08:00 pm GMT

Anyone who has fought a stuck bayonet fitting at a dump station with bare hands will want this two-pack in the sewer kit.

Pros

  • Fits Rhino, Revolution, and Easy Slip bayonet fittings
  • Lightweight and easy to pack in a small bin
  • Ergonomic grip reduces strain on cold or wet hands

Cons

  • Only useful for compatible fitting styles
  • Plastic construction, not metal

Sewer connections corrode and gunk up fast, and bare-handed twisting gets old after a season. These wrenches give enough leverage to break a stuck fitting loose without scraping knuckles on the hose or spilling anything. They’re plastic, not metal, so don’t expect them to survive being run over by a trailer tire. For the storage space they take up, they solve a genuinely annoying problem.