Clear drinking water poured into a glass after filtration

City Water Hookups: GoBluTech R3 Filter Before You Fill

Between power checks, our camp humor shirts fit right in at the campground.

Park water quality is a lottery. Taste, sediment, and whatever lived in the pedestal since spring are not problems you want inside a Class A plumbing tree, ice maker, or morning coffee.

Filter first is not optional gear theater. It is cheap insurance for fixtures, tanks, and the people who drink the water. On the Discovery, city water mode feeds a long pipe run and residential fixtures that punish grit.

Our pick: GoBluTech R3 RV water filter

The system I stage at the pedestal is the GoBluTech R3 RV Water Filter. Compact 5-inch stages, 0.2 micron filtration, and a footprint that hangs cleanly in the wet bay instead of dragging like a boat anchor. Label your cartridge install dates with a paint pen. Filters that look clean can still be tired.

How-to: city water order of operations

  1. Flush the pedestal for 20 to 30 seconds before your hose touches it. Clear the stagnant first blast into the grass or drain, not into your filter.
  2. Connect a white drinking-water hose only. Never a green garden hose for potable use.
  3. Install the GoBluTech R3 inline where the maker directs. Keep stages accessible so you can swap cartridges without a yoga pose under the coach.
  4. Add a pressure regulator before the coach inlet. Park pedestals can spike. The Valterra hi-flow brass regulator is the secondary piece that protects fittings and solenoids.
  5. Open slowly, check every joint for weepers, then fill or run city water mode. Bypass filters before antifreeze winterization.
  6. If taste still fails after a fresh R3 stack, add a taste-polishing cartridge or a solid carbon block inline as a final stage, then retest with coffee. Taste is data.

Why it matters on a Class A

Long plumbing runs and residential fixtures amplify sediment issues. A clogged screen at a faucet is annoying. A clogged ice maker valve is a service call. Taste problems destroy coffee morale on day one of a two-week loop. Fresh water tanks also inherit whatever you push through the fill path, so filtering on city water days protects storage later.

Keep spare media in the bay. If you also run a Camco-style canister somewhere in the stack, the Camco EVO 5-micron replacement cartridge is the easy roadside swap for sediment-heavy parks. Some rigs prefer a solid carbon block inline like CLEAR2O for taste polishing after the primary stages. Pick a stack and stick to it.

Fresh water discipline pairs well with camp flags and wet-bay organization. Browse MegawattMerch Flags while you wait on a slow fill.

Gear we trust on the road

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More Trail Notes at MegawattMerch.com.

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