Feeders, Fountains & Bowls
Best Cat Water Fountains for Hard Water (2026)
Limescale is the failure nobody writes the listing for. Two things decide it: whether the cartridge touches minerals at all, and whether the body survives a vinegar soak.
Affiliate disclosure: we earn a commission if you buy through our links, at no extra cost to you. It never changes which product we rank first — here is how we're funded.
Everyone in this category says they tested twenty litter boxes. We have not tested any, and we say so. What we do instead: compile the published specs, read the manuals, and do the arithmetic on what this gear costs to run and how it behaves once there is more than one cat using it. Every spec is linked to the document it came from. Prices are checked daily — last verified November 12, 2026. Here is exactly how we pick.
Quick picks
Ranked on the published specs and the arithmetic below. Tap any row to jump to the full write-up. We have not tested these — here is exactly how we pick.
| # | Product | Best for | Score | Price |
|---|---|---|---|---|
| 1 | PETLIBRO Stainless Steel Fountain, 3 L The only fountain here that publishes its adapter rating, its noise figure and its filter interval -- which is everything you need to cost a year of ownership before you buy. | Knowing exactly what it costs to run | 8.7 | |
| 2 |  Veken C1 Classic Cat Water Fountain, 95 oz The only fountain on this site whose own listing names a SCALE INHIBITOR in the filter stack -- which is the one claim that speaks directly to limescale rather than to taste. | Hard water, because its filter names a scale inhibitor | 7.3 | |
| 3 |  Catit LED Flower Fountain, 3 L Three flow settings and a low price -- the sensible way to find out whether a fountain changes anything in your house before spending on stainless. | The cheapest way to test whether your cat likes moving water | 7.1 | |
| 4 |  Pioneer Pet Big Max Stainless Steel Fountain 18/8 stainless at 128 oz and dishwasher safe -- the stainless fountain Pioneer still actually sells, and the one with room for three or four cats. | Stainless capacity for a multi-cat house | 7.9 | |
| 5 |  BROOK Glass Cat Water Fountain, 90 oz An all-glass body that goes in the dishwasher and that you can see through -- which in hard water is the difference between descaling on a schedule and descaling when the pump already sounds wrong. | Seeing the scale before it reaches the pump | 7.7 | |
| 6 |  PETLIBRO Stainless Steel Fountain Replacement Filters Publishes its three-layer construction and two different change intervals, which is unusual candour for a consumable -- and the gap between those two intervals is worth money. | The consumable that costs more than the fountain | 7.1 |
#ad Buy links are affiliate links. Prices come from a live daily check; where we have no verified price we say "check price" rather than print a stale one.
Buy the PETLIBRO 3 L stainless: a 304 stainless water path that scale wipes off rather than clouding, and the only filter in that lineup whose own listing names an ion exchange resin. If the budget is tighter, the Veken C1 is the one fountain on this shelf that names a composite scale inhibitor outright — in a plastic body, with a filter interval of one to two weeks. And if you want to SEE the scale before the pump does, the BROOK all-glass fountain is the only transparent option in the category.
Hard water asks two questions, and the listings answer one
Our fountain materials page argues stainless against ceramic against plastic on scratches and biofilm, and our easiest-to-clean page ranks on part count and dishwasher safety. Neither is about dissolved calcium, which is a different failure with a different timetable.
In hard water, two things decide a fountain. One: does anything in the cartridge touch minerals, or is it carbon and foam for taste and hair? Two: will the body survive a vinegar soak and a brush, every few weeks, for years? The first question has three published answers on the whole shelf. The second one has a clean material answer that nobody frames this way.
Who publishes what about minerals
| PETLIBRO 3 L stainless | Veken C1 | Catit Flower | Pioneer Big Max stainless | BROOK glass | |
|---|---|---|---|---|---|
| Mineral claim published | Ion exchange resin (on the filter listing) | Composite scale inhibitor (in the 5-stage stack) | "Triple action softening" cartridge | None -- replaceable charcoal only | None -- particle ring plus activated carbon |
| Water-path material | 304 stainless steel | Plastic, BPA free | Plastic, BPA free | Stainless steel | Glass |
| Survives a vinegar descale | Yes | Yes, but clouds over time | Yes, but clouds over time | Yes | Yes |
| Dishwasher | Not published | Not published | Not published | Published dishwasher safe | Glass parts, dishwasher or hand |
| Scale visible from outside | No | Water-level window only | Level indicator window | No | Yes -- whole body |
| Published filter interval | Every 2 weeks (filter listing) | Every 1-2 weeks, with the pump | Not published | Not published | Not published |
| Published pump maintenance | Raised pump holder, no interval | Clean the pump with the filter | Not published | Clean out monthly (maker) | Not published |
| Capacity | 101 oz / 3 L | 95 oz / 2.8 L | 3 L | 128 oz | 90 oz / 2.7 L |
| Noise figure published | Below 30 dB | None | None | None | None (maker says silent) |
| Price, 2026-11-07 | $37.99 | $19.99 | $34.99 | $99.99 | $89.95 |
Prices are the live Amazon check made on 2026-11-07 and move constantly; the buy buttons on this page read a daily check rather than this table. Every other figure is the maker's own published specification, linked in Sources.
The three cartridges that claim something about hardness
PETLIBRO’s replacement filter for the PLWF003 and PLWF006 fountains is described by PETLIBRO as a cotton layer, activated carbon and an ion exchange resin, stated to remove hair, heavy metals and improve taste. Ion exchange is the chemistry domestic water softeners use, and this is the only mainstream cat fountain filter we found that names it.
The Veken C1 goes further in wording and names a composite scale inhibitor as one of five filter stages, alongside multi-layer media and coconut shell activated carbon. It is the only fountain here whose own listing uses the word scale.
Catit calls the Flower Fountain’s cartridge a triple action softening filter. Softening is a hardness word, and Catit does not break the three actions down — so it is a claim about direction rather than a specification, and we report it as the maker’s wording.
What the mineral cartridges cost to keep running
PETLIBRO: PETLIBRO publishes a two-week interval, so 26 filters a year. Its 8-pack was $19.54 on 2026-11-07, which is $2.44 each and about $63.51 a year; the 4-pack works out considerably worse, and our running costs page has that comparison at about $97.44 from the smaller box.
Veken: the maker says to clean the pump and replace filters every 1 to 2 weeks, which is 26 to 52 a year — the shortest published interval of any fountain on this site. That is the real price of the scale inhibitor: it is a consumable, not a coating.
Catit, Pioneer and BROOK: publish no interval at all, so their cartridge cost cannot be computed from published figures. We leave those cells blank rather than filling them with somebody’s guess.
For scale, the shape of this arithmetic is the whole argument for a stainless or glass body: a descale is vinegar and twenty minutes, and a mineral cartridge is a subscription with no published endpoint.
The body you can actually descale
- PETLIBRO 3 L stainless — the pick. 304 stainless in the water path, published below 30 dB, adjustable flow, a raised pump holder, 3 L. Scale on stainless is a dull film that comes off; on plastic it is a haze that stays. For: hard water, one or two cats, a household that will keep buying the ion-exchange filter. Skip it if: you want to stop buying filters — see our filterless page, with the caveat that filterless does nothing about minerals.
- Pioneer Big Max stainless, 128 oz is the one that publishes dishwasher safe and, uniquely on this shelf, a maintenance instruction about the pump: clean it out monthly. That is exactly the right instruction for hard water and almost nobody gives it. For: three or more cats, and anyone who would rather descale than subscribe. Skip it if: $99.99 is not in the budget — it is two and a half times the PETLIBRO.
- BROOK glass, 90 oz is the only transparent fountain in the category: glass parts that separate for the dishwasher, brushes included, and a body where the maker’s own point is that water level and clarity are visible at a glance. In hard water, that visibility turns descaling into something you do on sight rather than on failure. For: a quiet household that wants to see the problem. Skip it if: there are children or a boisterous dog — 6 lb of glass near a tiled floor is a real risk, and Brook publishes no filter interval and no wattage.
- Veken C1, 95 oz buys the explicit scale-inhibitor claim for twenty dollars, in a plastic body that will cloud and on the most expensive filter schedule here. For: testing whether a mineral cartridge helps your water before spending real money. Skip it if: you intend to keep it for years.
- Catit Flower, 3 L is here for the softening cartridge and stays on the list for a second reason entirely — three published flow settings and a petal top the cat can drink from with the pump off, which our picky drinkers page ranks it first for. Skip it if: hardness is your only problem; the plastic body is the weak point.
The hard-water routine, in the order that matters
- Descale the pump, not the bowl. Scale on a bowl is cosmetic; scale on an impeller is the failure. Pioneer’s published monthly instruction is the right cadence to copy even on fountains whose makers say nothing. Our cleaning guide covers the strip-down.
- White vinegar, then rinse properly. Vinegar dissolves carbonate scale and cats object strongly to the smell of it, so the rinse is not optional.
- Keep a spare pump if the maker sells one. PetSafe publishes a replacement pump part number for its Drinkwell line, which is unusual and worth knowing; most makers do not.
- Do not soften the cat’s water as a project. The Cornell Feline Health Center is the place to read about feline urinary health, and whether your tap water matters to a particular cat is a question for a veterinarian rather than a fountain listing. What this page can tell you is which products claim to touch minerals and which bodies you can keep clean.
Electricity is not the variable here. At the EIA residential average of 18.34 cents/kWh, a fountain pump costs a few dollars a year — our running costs page puts the PETLIBRO stainless at about $8.03 of electricity against roughly twelve times that in filters. Hard water changes the filter side of that ratio and the cleaning schedule. It does not change the power bill.
The picks in full
Specs are the manufacturer's own, linked to the page they came from. Prices come from a live daily check; where we have no verified price we say so rather than print a stale one.
PETLIBRO Stainless Steel Fountain, 3 L
PETLIBRO · Water fountain · Our score 8.7/10
#ad Price as of November 12, 2026. Prices move; we check daily. How we're funded.
The only fountain here that publishes its adapter rating, its noise figure and its filter interval -- which is everything you need to cost a year of ownership before you buy.
Published specs
| Capacity | 3 L |
|---|---|
| Tank material | Stainless steel; PP water outlet |
| Power adapter | Input 100-240 V, output 5 V / 1 A (5 W ceiling) |
| Noise | Not more than 30 dB (published) |
| Filter interval | Every 2 weeks (PETLIBRO) |
| Filter price | $14.99 per 4-pack (PETLIBRO list) |
| Dimensions / weight | 10.8 x 8.1 x 4.7 in / 1.6 lb |
Source: PETLIBRO -- Stainless Steel Fountain 3 L product page and filter listing
Adapter output is 5 V x 1 A = 5 W, which is a nameplate ceiling, not a measurement. 5 W x 24 h x 365 = 43.8 kWh, x $0.1834 = $8.03. Filters at PETLIBRO's own $14.99 per 4-pack is $3.75 each, changed fortnightly = 26 a year = $97.44. The filters cost twelve times the electricity. Nobody puts that on the box.
What the specs favor
- Publishes the adapter rating, so running cost is computable rather than guessed
- Publishes a noise figure of 30 dB or less
- 304 stainless tank -- no plastic to scratch and harbor biofilm
- 3 L is enough for three cats between top-ups
What they don't
- Fortnightly filter changes are the real cost, at roughly $97 a year
- Plastic water outlet on an otherwise stainless fountain
- Small footprint means a determined cat can shove it around
You will not commit to a filter every two weeks. Run past the interval and a fountain is a warm, aerated, recirculating bacterial culture -- worse than a bowl you rinse daily.
How it scores
Scores are our editorial weighting of the published specs above, not a test result. They are deliberately kept out of this page's structured data.
Veken C1 Classic Cat Water Fountain, 95 oz
Veken · Water fountain · Our score 7.3/10
#ad Price as of November 12, 2026. Prices move; we check daily. How we're funded.
The only fountain on this site whose own listing names a SCALE INHIBITOR in the filter stack -- which is the one claim that speaks directly to limescale rather than to taste.
Published specs
| Capacity | 95 oz / 2.8 L |
|---|---|
| Flow modes | 2: flower waterfall and gentle fountain |
| Filtration | 5 stages: multi-layer media, coconut shell activated carbon, composite scale inhibitor |
| Maker's filter interval | Every 1-2 weeks, with the pump cleaned at the same time |
| Materials | Food grade, all water-contact parts BPA free |
| Dimensions | 8.4" x 8.4" x 5.3" |
| Weight | 1.9 lb |
| Light | Blue LED with a switch on the cord |
| Warranty | 2 years |
| Pump wattage | Not published |
Veken publishes 'clean the pump and replace filters every 1-2 weeks', which is 26 to 52 filters a year -- the shortest published interval of any fountain on this site. That is the real cost of the scale inhibitor: it is a consumable, not a coating. Our fountain running-costs page prices PETLIBRO's two-week stainless filters at about $97.44 a year from an eight-pack and $63.51 from the cheaper multi-pack, and the shape of the Veken figure is the same or worse at the one-week end of its own range.
What the specs favor
- Names a composite scale inhibitor, which is the only published anti-limescale claim we found in the category
- Two published flow modes on a sub-$25 fountain
- Publishes a filter interval honestly, including the pump clean in the same breath
- Two-year warranty and a 2023 Pet Innovation Awards category win, both stated
What they don't
- A 1-to-2-week filter interval is the most expensive consumable schedule on this site
- Plastic body, so scale shows as cloudiness you cannot polish out
- Publishes no pump wattage, so electricity cannot be costed
- Publishes no decibel figure
You wanted to stop buying filters. The scale inhibitor is inside the cartridge, so hard water here is a subscription -- the stainless and glass routes move the job to a sponge and a bottle of vinegar instead.
How it scores
Scores are our editorial weighting of the published specs above, not a test result. They are deliberately kept out of this page's structured data.
Catit LED Flower Fountain, 3 L
Catit · Water fountain · Our score 7.1/10
#ad Price as of November 12, 2026. Prices move; we check daily. How we're funded.
Three flow settings and a low price -- the sensible way to find out whether a fountain changes anything in your house before spending on stainless.
Published specs
| Capacity | 3 L |
|---|---|
| Power | 120 V, 12 VA, 60 Hz, 300 mA (North America) |
| Flow settings | Three (gentle, bubbling, calm) |
| Filtration | Triple-action filter; no change interval published |
| Material | Polypropylene, published BPA-free |
| Dimensions / weight | 8.3" L x 7.7" W x 9" H / 1.8 lb |
| Extras published | Water level window, LED nightlight, petal top with water pockets |
| Published warranty | 2 years (manufacturer) |
Catit publishes 12 VA, which is apparent power at the adapter, not watts drawn -- so treat it as a hard ceiling. 12 W x 24 h x 365 = 105.1 kWh, x $0.1834 = $19.28. The real draw is lower, and Catit does not publish it. We are not going to pretend a VA rating is a wattage.
What the specs favor
- Three flow settings, so a cat that ignores one may take another
- Cheapest way to test the fountain question at all
- 3 L capacity matches the stainless models here
- Catit publishes an adapter rating, unlike PetSafe
What they don't
- Plastic, which scratches and then holds biofilm in the scratches
- 12 VA is apparent power, not a wattage -- the real draw is unpublished
- Many small parts to disassemble at cleaning time
Your cat has feline acne or a history of chin irritation. Plastic water and food vessels are the standard first thing to eliminate, and this fountain is entirely plastic.
How it scores
Scores are our editorial weighting of the published specs above, not a test result. They are deliberately kept out of this page's structured data.
Pioneer Pet Big Max Stainless Steel Fountain
Pioneer Pet · Water fountain · Our score 7.9/10
#ad Price as of November 12, 2026. Prices move; we check daily. How we're funded.
18/8 stainless at 128 oz and dishwasher safe -- the stainless fountain Pioneer still actually sells, and the one with room for three or four cats.
Published specs
| Capacity | 128 oz (3.78 L) |
|---|---|
| Material | 18/8 stainless steel |
| Dimensions | Footprint 13.75" x 12"; height published as 2.75" by one retailer and 4.25" by another -- they disagree |
| Weight | Not published |
| Filter | Replaceable charcoal; part numbers #3002 (3-pack) and #3014 (4-pack) |
| Filter interval | Every 2-4 weeks (Pioneer Pet) |
| Cleaning | Dishwasher safe; maker says clean weekly and strip the pump monthly |
| Power | Corded, low voltage; wattage not published |
Pioneer Pet gives an interval rather than a fixed number: every 2 to 4 weeks. That is 13 filters a year at the slow end and 26 at the fast end -- a two-fold spread in running cost that depends entirely on how many cats are using it. Makers who quote a single interval are quoting the single-cat case. Pioneer also publishes a maintenance schedule most makers skip: clean the fountain weekly and take the pump apart monthly.
What the specs favor
- 18/8 stainless, which cannot scratch into a surface that holds biofilm
- 128 oz is genuine multi-cat capacity rather than a daily top-up
- Filter interval published as a range, which is more honest than a single number
- Dishwasher safe, and Pioneer publishes a weekly-clean and monthly-pump schedule
- Named filter part numbers, so the consumable is findable rather than proprietary-mystery
What they don't
- Retailers disagree about its height (2.75 in against 4.25 in), so drinking posture cannot be checked before it arrives
- No published pump wattage, so electricity cannot be costed
- No published weight
- 13.75 by 12 inch footprint is a lot of counter for a fountain
- The most expensive fountain on this site by a clear margin
You have one cat and a small kitchen. 128 oz and a 13.75 by 12 inch footprint is capacity you will not use, and a smaller stainless fountain does the same job in less space.
How it scores
Scores are our editorial weighting of the published specs above, not a test result. They are deliberately kept out of this page's structured data.
BROOK Glass Cat Water Fountain, 90 oz
Brook · Glass water fountain · Our score 7.7/10
#ad Price as of November 12, 2026. Prices move; we check daily. How we're funded.
An all-glass body that goes in the dishwasher and that you can see through -- which in hard water is the difference between descaling on a schedule and descaling when the pump already sounds wrong.
Published specs
| Capacity | 90 oz / 2.7 L |
|---|---|
| Body | Key components entirely glass, patent pending (maker) |
| Cleaning | Glass parts separate for dishwasher or hand wash; brushes included |
| Filtration | Particle filter ring plus activated carbon |
| Flow | 3 intensity levels, adjustable fountainhead position |
| Light | Blue LED with an optional cover included |
| Weight | 6 lb |
| Warranty | 1 year manufacturer |
| Filter interval | Not published |
| Pump wattage | Not published |
Limescale is cumulative and silent. On a stainless bowl it is a dull film you find by feel; inside an opaque plastic reservoir you find it when the pump starts rattling. Brook's own listing makes the point as a hygiene claim -- 'water level and clarity are always instantly visible at-a-glance' -- and in hard water that visibility is what turns descaling into something you do on sight rather than on failure. Brook publishes no filter interval and no wattage, so neither the consumable cost nor the electricity can be computed here.
What the specs favor
- Glass takes a vinegar descale and a dishwasher cycle without clouding or scratching
- Scale and biofilm are visible from outside, which no opaque fountain offers
- Publishes three flow levels and an adjustable head position
- Cleaning brushes included rather than sold as an accessory
What they don't
- Publishes no filter interval, so the running cost cannot be computed at all
- Publishes no pump wattage
- 6 lb of glass near a tiled floor is a real risk a plastic fountain does not have
- The most expensive fountain in this round by a wide margin
There are children or a boisterous dog in the room. Glass is the right material for descaling and the wrong one for a busy floor.
How it scores
Scores are our editorial weighting of the published specs above, not a test result. They are deliberately kept out of this page's structured data.
PETLIBRO Stainless Steel Fountain Replacement Filters
PETLIBRO · Fountain filter · Our score 7.1/10
#ad Price as of November 12, 2026. Prices move; we check daily. How we're funded.
Publishes its three-layer construction and two different change intervals, which is unusual candour for a consumable -- and the gap between those two intervals is worth money.
Published specs
| Pack | 8 filters -- the listing calls it the 4 Months Set (verified 2026-11-01) |
|---|---|
| Pack price published | $19.54 for the 8-filter set against $14.99 for the 4-filter set, both on PETLIBRO's own listing |
| Construction | Cotton layer, activated carbon, ion exchange resin |
| Maker's interval | Every 2 weeks (PETLIBRO official) |
| Listing interval | Every 2 to 4 weeks depending on pets and use |
| Before first use | Soak 15 minutes and rinse to shed carbon dust |
At the official two-week interval you use 26 filters a year. At the listing's four-week upper bound you use 13. That is a two-to-one difference in the dominant running cost of owning a fountain -- and our fountain running-costs page puts filters at roughly twelve times the electricity.
What the specs favor
- Publishes the actual filter construction rather than just 'carbon filter'
- Sponges included, which are a separate purchase on some fountains
- Publishes a pre-soak instruction, which prevents carbon dust in the bowl
What they don't
- Two different published intervals from the same manufacturer
- Proprietary to PETLIBRO fountains
- The filter polishes water; it does not clean the fountain
You do not own the fountain these fit. Fountain filters are not cross-compatible, and a third-party filter that does not seat properly bypasses entirely.
How it scores
Scores are our editorial weighting of the published specs above, not a test result. They are deliberately kept out of this page's structured data.
Common questions
What is the best cat water fountain for hard water?
Do cat fountain filters remove limescale?
How do you descale a cat water fountain?
Does hard water damage a cat fountain pump?
Is a filterless fountain better for hard water?
Sources
- PETLIBRO -- Stainless Steel Fountain 3 L product page and filter listing
- Amazon listing -- Veken Innovation Award Winner 95oz/2.8L Cat Water Fountain, C1 Classic, model PFS3V244 (95 oz / 2.8 L, two flow modes described as flower waterfall faucet drinking and gentle fountain, five-stage filtration stated to combine multi-layer filter media, coconut shell activated carbon and a composite scale inhibitor, maker instruction to clean the pump and replace filters every 1-2 weeks, food-grade materials with all water-contact parts BPA free, water-level window and blue LED with a switch on the cord, 8.4 x 8.4 x 5.3 in, 1.9 lb, 2 years warranty, 2023 Pet Innovation Awards category winner; no pump wattage or decibel figure published)
- Catit -- Flower Fountain product page, plus the Amazon listing for the LED variant, model 43747W (3 L / 100 fl oz, polypropylene and BPA-free, 8.3 x 7.7 x 9 in, 1.8 lb, 120 V / 12 VA / 60 Hz / 300 mA pump, three flow options, water level window, LED nightlight, Catit Triple Action Filter, 2 year manufacturer warranty; no filter interval and no filter pack count published)
- Chewy and PetSmart listings -- Pioneer Pet Big Max Stainless Steel Dog & Cat Fountain, 128 oz (18/8 stainless, dishwasher safe, 13.75 x 12 in footprint with height published as 2.75 in by PetSmart and 4.25 in elsewhere, charcoal filters #3002/#3014, maker guidance to clean weekly and strip the pump monthly; pump wattage and unit weight not published)
- Amazon listing -- BROOK Glass Cat Water Fountain 90oz, Dishwasher Safe Pet & Dog Fountain (automatic 2.7 L drinking water dispenser, key components stated to be made entirely of glass in a patent-pending design, glass parts stated to separate instantly for dishwasher or hand washing with cleaning brushes included, particle filter ring plus activated carbon, adjustable fountainhead position with 3 flow intensity levels, blue LED with an optional cover included, 6 lb, 1 year manufacturer warranty; no filter replacement interval or pump wattage published)
- PETLIBRO -- Stainless Steel Fountain Replacement Filters 4-pack (cotton, activated carbon and ion exchange resin; change every 2 weeks)
- PETLIBRO -- stainless steel fountain replacement filters product page (cotton, activated carbon and ion exchange resin; two-week interval)
- Catit -- Flower Fountain product page (three flow settings, triple action softening filter)
- U.S. Energy Information Administration, Electric Power Monthly Table 5.3 -- residential average 18.34 cents/kWh, June 2026
- Cornell Feline Health Center -- feline health information
Read next
- Best Stainless Steel Cat Water Fountains (2026)
Which stainless fountains are stainless throughout the water path, and what a year of filters costs on each.
- Ceramic vs Stainless vs Plastic Cat Fountains
Why the material debate is really about scratch resistance, and what that means for a fountain in a multi-cat house.
- How to Clean a Cat Water Fountain
A cat fountain cleaning routine built around published filter intervals, including the pump strip-down that decides whether the fountain gets refused.
- Easiest Cat Water Fountains to Clean (2026)
Ranked on part count, dishwasher safety and filter interval -- the three things that decide whether a fountain gets maintained.
- Best Cat Fountain Filters (2026)
Fountain replacement filters compared on published construction and change interval, with the annual cost arithmetic.
- What a Cat Water Fountain Actually Costs to Run
Electricity and filters costed from published adapter ratings and manufacturers' own filter prices, with every sum shown.
- Best Cat Fountains for Picky Drinkers (2026)
Fountains for the cat that walks away from one: ranked on published flow configurations -- 1 to 5 streams, three settings, a bubbler -- and on which can be drunk from with the pump off.