304 Stainless SteelNowhere for slime to hide
Plastic scratches, and grime settles into the scratches. Food-grade steel stays smooth, so a quick rinse gets it clean.
Free US shipping · 30-Day Picky-Cat Guarantee
★★★★★4.9· from cat parents who had already tried another fountain
She's been sleeping a lot lately.
She's been sleeping a lot lately.
It might be as simple as water.
Cats came from the desert. Their thirst signal barely fires, and still water is the one kind instinct tells them to avoid — so they quietly under-drink for years. KaiShine gives her moving, filtered water she'll actually use, all day, without you thinking about it.
- Faucet-style stream cats instinctively trust
- 100% wireless — 45-day battery, zero cords
- 304 stainless steel: no slime, no plastic smell
- One-Year Plan: fresh filters arrive every 6 months, skip or cancel anytime
SAVE $20
The One-Year Plan $119.99$139.97
- 6 filters in the box — a full year of fresh water
- Then 3 fresh filters every 6 months for $19.99, from month 6
- Skip, pause or cancel the refills anytime, no fee
BEST VALUE · SAVE $30
The Two-Year Hydration Plan $149.99$179.95
- Fountain + 12 filters in the box — two full years
- Nothing to reorder, nothing to remember
- Ideal for two-cat homes
One-Time Purchase $99.99
- Fountain + 1 filter cartridge
One-Year Plan = about $10 a month, $19.98 less than buying the fountain and 6 filters separately. Two-Year Plan = about $6.25 a month.
The One-Year Plan includes the filter subscription. Today you pay $119.99 for the fountain and 6 filters (your first refill 3-pack is in the box). Then $19.99 every 6 months for 3 fresh filters, charged each time a box ships. Skip, pause or cancel anytime in your account or by emailing contactsupport@kaishinepet.com, no fee — cancellation policy.
Add To Cart — $119.99
or check out in one tap
In stock · Free tracked US shipping
What's In The Box?
- 1× KaiShine Wireless Fountain (3.2L, 304 stainless)
- Filters: 1 (One-Time) · 6 (One-Year) · 12 (Two-Year), all in the same box
- 1× USB-C charging cable
- 1× Quick-start guide
How The Filters Work?
Coconut-shell carbon + ion-exchange resin + fleece pre-filter pull hair, dust and odors out of the water around the clock, so every sip smells just-poured. Swap the cartridge in ten seconds about every two months. The One-Year Plan sends refills on their own, and they arrive before you remember.
Specifications
- Material: 304 food-grade stainless steel
- Capacity: 3.2L / 108 oz
- Noise: under 40 dB — about as quiet as a library
- Battery: 4200 mAh · up to 45 days per charge (sensor mode)
- Charging: USB-C, cable included
- Sensor range: ~3 ft · flows only when she's there
Shipping Information
Orders are handed to the carrier within 2–4 business days. US delivery typically takes 7–14 business days from the day you order, free of charge. With the One-Year Plan a 3-pack ships every 6 months, free; skip or cancel anytime.
Maya R.✓ Verified buyer
★★★★★"She heard the water from the other room and came running. Two weeks in, she drinks every time she walks past it — best hundred bucks I've spent on this cat."
Dr. S. Whitfield, DVMVeterinarian
★★★★★"Hydration is the first thing I ask about at every checkup. For cats that ignore their bowl, a quiet moving-water fountain is the single easiest change owners can make."
Tom H.✓ Verified buyer · 2 cats
★★★★★"Our 14-year-old grump took three days to trust it, and now it's his spot. His numbers at the vet were the best they've been in years."
Guaranteed Safe & Secure Checkout
Step 1 · the signs
She won't tell you she's thirsty.She'll just seem a little off.
Hiding discomfort is instinct — in the wild, a cat that looks weak becomes prey. So low water intake almost never looks dramatic. It looks like a cat who naps a bit more, plays a bit less, and seems basically fine.
01😴
Sleeping More, Playing Less
The pounce doesn't come. Play sessions get shorter, then stop. It's easy to file under "she's just getting older."
02✨
A Duller, Flakier Coat
Grooming and skin need moisture. When she's running short, the shine is usually the first thing to go.
03🧊
Small, Hard Litter Clumps
Fewer and firmer clumps than she used to make is one of the clearest at-home clues that less water is going in.
04🍽️
A Dry-Food Diet
Kibble is roughly 10% moisture. The prey cats evolved on is around 70%. That gap has to be closed by drinking — and usually isn't.
05🚰
Begging At The Tap
She'll cry at a running faucet, drink from your glass, paw the shower — while a full bowl sits untouched three feet away.
06🫥
Hiding More Than Usual
Cats retreat when something feels off, long before there's anything you could point to.
Every one of these signs can have other causes — some of them serious. If you're seeing them, book a check-up with your vet. KaiShine's job is to make drinking easy at home; it isn't a diagnosis and it isn't a substitute for that visit.
Step 2 · why she walks away
The bowl isn’t neutral. It’s part of the problem
Still water grows biofilm, a slimy film of bacteria built from saliva, food bits and dust. In NSF International’s household germ study, pet bowls ranked among the germiest items in the home.
She can smell it long before you can see it, so she quietly drinks less, day after day.
- 4-stage filtration catches hair, dust and debris before every sip
- Moving water stays fresh and appealing all day
- 304 stainless steel gives slime nothing to grip
- 30-Day Picky-Cat Guarantee
- Free US Shipping
- 12-Month Warranty
Her old bowl
KaiShine
Drag to compare
What’s happening in the water she drinks
01
Bacteria & Biofilm Buildup
Still water becomes a breeding ground within hours. That slimy film inside her bowl? A bacteria layer she licks with every single drink.
02
The Drink-Less Spiral
Cats instinctively avoid stagnant water. When it smells off, she doesn’t complain — she simply drinks less, day after day.
03
Stale By Lunch
Her nose is far more sensitive than yours. The bowl you filled at 7am reads flat, dusty and stale to her by midday.
04
Warm, Flat, Ignored
Warm still water holds less oxygen and tastes worse. A moving, filtered stream stays cool, fresh and appealing all day.
Why cat parents choose KaiShine
Not all water is created equal.
| KaiShine |
 PlasticFountains |
 The OldBowl |
|
|---|---|---|---|
| Faucet-Flow Stream | ✓ | ✕ | ✕ |
| 304 Food-Grade Steel | ✓ | ✕ | ~ |
| Whisper-Quiet (<40 dB) | ✓ | ✕ | ✓ |
| 45-Day Battery · No Cords | ✓ | ✕ | ✕ |
| Up to 12 Filters in the Box | ✓ | ~ | ✕ |
| 3.2L — Refill Weekly | ✓ | ✕ | ✕ |
Get KaiShine — From $99.99
30-day money-back guarantee · Free US shipping
Step 3 · why it matters long-term
Kidneys do the quiet work.
A cat's kidneys filter her blood every single day, and they need water to do it. Chronic low intake is one of the few risk factors you can actually influence from home — which is why hydration is the first thing most vets ask about.
0%
of her natural food is water
Cats evolved eating prey that's about 70% water, so their thirst drive is weak. A still bowl rarely tempts them — many are drawn to moving water instead.
0%
is water in dry kibble
Dry food is only about 10% water, versus about 70% in her natural prey. Low daily intake is associated with higher urinary-tract risk in cats.
0%
1 in 3 cats
Develops chronic kidney disease in their lifetime. Hydration doesn't prevent it — but it's the support vets ask for most.
Try KaiShine risk-free today
★★★★★ Rated 4.9 by early cat parents · 30-day money-back guarantee
KaiShine is a water fountain, not a medical device. It supports healthy hydration; it does not diagnose, treat, prevent or cure any disease. For anything health-related, your vet leads.
Premium features, built for her everyday hydration
304 stainless steel, 4-stage filtration, a whisper-quiet pump and no cord to chew.
Fresh, moving water, without the daily chore.
4-Stage FiltrationFresh with every sip
A 3-layer cartridge (fabric, activated carbon, ion-exchange resin) plus a foam pre-filter catches hair, dust and odors. Swap it about every 2 months.
Cordless, 45 Days a ChargePut it where she drinks
A 4200 mAh battery runs up to 45 days in sensor mode. No outlet to find, no cord to chew. Recharges with the included USB-C cable.
Whisper-Quiet PumpShe won’t even notice it
Under 40 dB — about as quiet as a library. Calm enough for nervous cats, and for the bedroom at night.
3.2L TankRefill about once a week
3.2 liters covers most single-cat homes for about a week, and the round window shows the water level at a glance.
Smart Motion SensorFlows when she walks up
Sensor mode starts the stream when she’s within about 3 ft, which saves battery. Prefer a steady flow? Switch to timed or continuous.
Get KaiShine — From $99.99 →
- 30-Day Picky-Cat Guarantee
- Free US Shipping
- 12-Month Warranty
Kidney & urinary support
"Is she drinking enough?" You'll finally answer yes.
Cats descend from desert hunters — their thirst signal barely works, and still water reads as unsafe. A moving, filtered stream flips both instincts in her favor.
- Cats naturally drink more from flowing water
- Better hydration supports kidney & urinary health
- Designed to make drinking a habit, not an event
Whisker-friendly by design
No whisker fatigue. No plastic aftertaste.
Deep bowls press on a cat's ultra-sensitive whiskers, and scratched plastic harbors the film she can smell before you can see it.
- She laps the falling stream — whiskers touch nothing
- 304 stainless: nowhere for slime to hide
- Gentler on chins — helps avoid feline acne
Set it and forget it
Fill it Sunday. She's covered all week.
3.2 liters is a full week of water for most cats — and the porthole window tells you at a glance when it needs a top-up.
- Refill roughly once a week, even less for one cat
- Perfect for weekends away
- Battery lasts up to 45 days per charge
How to use KaiShine
Two minutes out of the box. No app, no account, no plumbing.
1
Fill it
Lift the lid, pour in up to 3.2 liters of water and drop the filter in place.
2
Place it anywhere
There’s no cord, so it goes where she likes to drink, not where the outlet is.
3
She does the rest
The motion sensor starts the stream when she walks up and stops it when she leaves.
Every weekTop up the water
Every ~2 monthsSwap the filter (10 seconds)
Every ~45 daysRecharge with USB-C
Need more filters? 3-packs are $19.99 and ship free.
What to expect
Many cats investigate the moving stream within the first day.*
WEEK 1Curiosity wins
The sound and sparkle of moving water pulls her in — sniffing turns into first sips.
MONTH 1The habit forms
She visits the stream on her own, several times a day. The faucet begging stops.
MONTH 3+Hydration is routine
Steady daily drinking becomes her normal — the foundation vets ask for at every checkup.
*Individual cats vary — some take a few days to trust something new.
Loved by cat parents (and their cats)
★★★★★
Maya R. Verified Buyer
"I set it down, filled it, and she was drinking before I threw the box away. She trots over every time she hears the little stream start. I didn't know she was this thirsty the whole time."
★★★★★
Linda B. Verified Buyer
"At her last checkup the vet asked what we'd changed — Patches was in the best shape she's been in years. The only thing we changed was this fountain. She drinks all day like it's a hobby."
★★★★★
Sofia G. Verified Buyer
"Noodle used to knock glasses off the counter to get at our water. Now he has his own tiny faucet and acts like he owns a café. Wish we'd bought this the day we got him."
★★★★★
Denise W. Verified Buyer
"Excuse the terrible photo, she wouldn't stop moving lol. Biscuit ignored every bowl we owned and now I refill this thing weekly. Weekly!! For a cat that 'never drank.'"
★★★★★
Tom H. Verified Buyer
"Our 14-year-old grump took three days to trust it. Now it's his spot by the window. The vet was happy with his numbers this year — first time in a while."
★★★★★
Amara J. Verified Buyer
"Got it for one kitten, both of them claimed it. One drinks, the other just watches the porthole like it's TV. Battery's been going almost a month and a half."
30-Day Money Back Guarantee
Your KaiShine order is backed by our 30-day satisfaction guarantee. Try it at home for 30 days from delivery — and if she snubs it, we refund you in full. Fountain, filters, shipping. No questions asked.
Try it 100% Risk Free
Questions cat parents actually ask
My cat seems fine — does she really need this?
Most under-drinking cats look completely fine — that's the point. Cats hide discomfort by instinct, and the early signs (a bit more sleep, a duller coat, smaller litter clumps) are easy to read as normal aging. Making water more appealing is a low-cost, low-risk change. If anything about her behavior has actually changed, book a vet check as well — this is a fountain, not a diagnosis.
Will a fountain prevent kidney disease?
No — and be skeptical of anyone who says otherwise. Chronic kidney disease has many causes, including age and genetics, and no product prevents it. What hydration does is support normal kidney and urinary function, which is why vets raise it at nearly every check-up. KaiShine makes the hydration part easy. The rest belongs with your vet.
Will my cat actually use it?
Moving water triggers an instinct most cats can't resist — it's why she begs at your faucet. Many cats investigate within the first day. If yours holds out for 30 days, we refund everything.
How often do I clean and refill it?
Refill roughly weekly (3.2L tank), rinse the steel when you do, and swap the filter cartridge in ten seconds every ~2 months. Put refills on a subscription and they arrive before you'd remember.
How long does the battery last?
Up to 45 days per charge in sensor mode (4200 mAh). When it runs low, the light tells you and the included USB-C cable tops it up overnight — no dock, no proprietary plug.
Is it really silent?
Under 40 dB — about as quiet as a library — and the stream only runs when she approaches, so nothing hums all night. Cats who feared old grinding fountains sleep next to this one.
Does it help with kidney or urinary problems?
Straight answer: KaiShine encourages drinking, and hydration is the first thing vets point to for urinary and kidney wellness. It's not a medical device and doesn't treat or prevent disease — if your cat has a diagnosed condition, your vet leads.
What if she ignores it?
That's what the 30-Day Picky-Cat Guarantee is for — full refund, no questions. Placement tip: a quiet spot away from food and litter. Wireless makes that finally possible.
When will it arrive?
Orders are handed to the carrier within 2–4 business days, and US delivery typically takes 7–14 business days from the day you order. Shipping is free and tracked. You get a tracking link by email as soon as the carrier scans your package.
What if it stops working?
The fountain has a 12-month warranty against manufacturing defects, counted from delivery. Email contactsupport@kaishinepet.com with your order number and a line about what happened, and we’ll sort it out. The warranty doesn’t cover drops, chewing, dishwashers or running the pump dry.
How do returns work?
You have 30 days from delivery, and a used fountain is fine. Email contactsupport@kaishinepet.com with your order number. We reply within one business day with instructions and, where a return is needed, a prepaid label. Once the carrier scans it, we refund you in full within 2 business days.
Is it enough for two cats?
Yes. With two cats, plan to top up the 3.2-liter tank about twice a week. The Two-Year Plan’s 12 filters are the easy choice for two-cat homes.
Make the easy change first.
You can't control her genes or her age. You can control how easy it is for her to drink today — and that's the one vets keep asking about.
Get KaiShine — From $99.99 30-Day Picky-Cat Guarantee · Free US shipping · 12-month warranty