Quick picks
- Best overall: a two-stage canister system (sediment + carbon block) — knocks out grit, chlorine, and most taste/odor problems.
- Best budget / starter: a single inline carbon filter at the spigot — $20-ish, no install, replace each season.
- Best for bad-taste / drinking water: add an under-sink or countertop filter for a dedicated drinking tap.
The three filter types
| Type | What it does | Best for | Trade-off |
|---|---|---|---|
| Inline (disposable) | Single carbon/sediment cartridge on the hose | Weekenders, renters, simplicity | Lower capacity, replace often |
| Canister (1–2 stage) | Refillable housings: sediment + carbon block | Full-timers, picky water | Costs more, takes a little space |
| Under-sink / countertop | Dedicated drinking-water polish (often 0.5 micron) | Best taste at the tap | Filters only one faucet |
Most happy setups are a layered approach: a coarse sediment filter first (protects everything downstream and makes the good filter last longer), then a carbon block for chlorine, taste, and odor. A 20-micron sediment stage followed by a 0.5–5 micron carbon block covers the vast majority of campground water.
The reviews
Two-Stage Canister System (Sediment + Carbon Block)
This is the setup full-timers settle on. The first canister catches sand, rust, and sediment; the second is a carbon block that pulls chlorine and the "campground hose" taste. Cartridges are cheap and standard-sized, so you're never hunting for a proprietary refill.
Pros
- Handles grit AND taste/odor
- Standard, cheap cartridges
- Long service life
Cons
- Bigger footprint at the bay
- Higher up-front cost
Inline Carbon Filter (Disposable)
Screw it onto the spigot, attach your hose, done. It won't perform like a carbon block, but it removes chlorine taste and sediment for a season and costs about as much as two coffees. The smart move: pair it with a cheap pre-screen sediment filter to make it last longer.
Pros
- Zero install
- Cheapest entry point
- Great backup filter
Cons
- Low capacity
- Can restrict flow as it clogs
Under-Sink / Countertop Polishing Filter
If your only goal is glass-clear, bottled-quality drinking water, add a fine (0.5 micron) filter on a dedicated tap. Let your whole-rig filter handle the shower and dishes; let this one handle what you actually drink. Some RVers add a small remineralizing or carbon-polish stage for taste.
Pros
- Best taste at the tap
- Fine filtration where it matters
- Cartridge lasts a long time on one faucet
Cons
- Filters a single faucet
- Needs a little plumbing
How to choose
1. Match the micron rating to the job
Lower micron = finer filtration. A 20-micron sediment filter protects your system; a 0.5–5 micron carbon block handles taste and finer particles. Don't put a 0.5-micron filter first — it'll clog on sand in a week.
2. Filter in stages
Sediment first, carbon second. A coarse pre-filter is cheap and dramatically extends the life of the expensive cartridge behind it.
3. Watch your flow rate
Finer filters slow water down. If your shower turns weak after adding a filter, you've either got a clogged cartridge or one rated for too little flow — size up the housing, not down the micron.
4. Don't forget the hose
A drinking-water-safe (white) hose and a filter are a team. The best filter in the world can't fix water that picks up taste from a cheap garden hose downstream.