Tuna Wave
Ocean tuna essence · the one cats fight over
$14 for 12 bottles
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🐟 Flavored water, brewed for cats
Water cats actually drink.
Cats are built to ignore bowls. H2Purr is zero sugar, zero calorie water with real fish essence, so the bowl gets interesting and hydration finally happens.
🐾 Backed by a peer reviewed hydration study — cats drank about 3x more when water tasted like something
🐟 Tuna Wave is the bestseller
💧 3x more water
Bowl ignored, bottle gone.
The problem
Cats don't drink enough. It's not laziness, it's biology.
Cats evolved in dry climates with a weak thirst drive. Most get by on a fraction of the water they need, which is why urinary and kidney issues are so common. A boring bowl of water is easy to ignore.
3x
more water consumed when cats preferred the flavor*
*Peer reviewed study of nutrient enriched water in cats, PMC12089729. H2Purr applies the same principle.
The average cat
✕ Weak thirst drive, forgets to drink
✕ Bowl of plain water = boring
✕ Dehydration → urinary & kidney risk
✕ Pushes the bowl away and stares at you
✓ With H2Purr: drinks like it means it
The lineup
Three flavors. Zero excuses.
Each bottle is water with a whisper of real fish or poultry essence. Nothing artificial, nothing sweet, nothing a vet would frown at.
Salmon Splash
Gentle salmon broth notes · slow sip approved
$14 for 12 bottles
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Chicken Mist
Light poultry breeze · for the picky loud ones
$14 for 12 bottles
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How it works
Pour. Watch. Refill.
01
Pour it in the bowl
Swap plain water for H2Purr. No mixing, no measuring, no fountain required.
02
Watch the bowl get interesting
The whiskers twitch. The nose arrives. Then the drinking starts, usually within minutes.
03
Refill with a subscription
Choose 12 or 24 bottles a month, pause or skip anytime. No tub of powder survives your shelf.
Happy cats
Unpaid reviews from professional drinkers
"Mochi ignored water for eight years. I poured Tuna Wave once and now the bowl is empty by noon. My vet asked what I changed."
MochiGrey tabby, 9 · Austin, TX
"Biscuit sniffs everything twice and rejects it once. Salmon Splash passed inspection on the first try. We are in shock."
BiscuitTuxedo, 4 · Houston, TX
"Pepper is four months old and suspicious of everything that is not me. Chicken Mist got a full dramatic faceplant into the bowl. Sold."
PepperGinger kitten, 4 months · Dallas, TX
FAQ
Questions, answered
Is flavored water safe for cats?
Yes. H2Purr is water plus a trace of real fish or poultry essence, nothing else. No sugar, no sweeteners, no preservatives, no artificial colors. If your cat has a diagnosed health condition, run it past your vet first, because every cat is different.
Does it replace regular water?
It is regular water, with a reason to drink it. Offer it alongside a plain bowl for the first week and let the cat choose — most cats pick H2Purr and never look back.
How is it different from a water fountain?
Fountains solve the freshness problem; they do not solve the boring problem. H2Purr works in any bowl you already own, no plug, no filter, no monthly pump replacement.
Will it make my cat hyper?
No caffeine, no sugar, no stimulants. It is water. The only side effect reported so far is a cat who suddenly believes the kitchen is a luxury spa.
Kittens?
Yes, kittens drink it happily from eight weeks. Introduce it the same way you introduce any new water source and keep the bowl shallow.
What is the shelf life?
Twelve months unopened, five days in the fridge after opening. A bottle is a day and a half of water for a typical cat, so it never sits long.
Can I cancel my subscription?
Any time, in two clicks, no phone call, no guilt trip. Skip a month or pause entirely from your account page.
Do you ship outside the US?
Currently shipping within the United States only. Texas cats get it fastest, because we make it here.
Start with all three flavors
One box, 36 bottles, every flavor. If your cat ignores it, the box is on us. That is the whole guarantee.
💳 No card needed for trial
🐾 Cancel anytime
💧 30 day treat guarantee