Your cat uses the litter tray every day. So does Kittydoctor.
While your cat does what cats do, Kittydoctor is quietly reading the chemistry of their urine — flagging pH shifts, blood, and metabolic markers before they become symptoms. Before the straining. Before the hiding. Before the emergency vet at midnight. Here's exactly how it works.
Your cat will not tell you when something is wrong. Ever.
See the litter that catches it →This is not a personality quirk. It is biology, millions of years deep. In the wild, a sick animal is a dead animal — so cats evolved to mask pain completely, to eat normally, sleep normally, groom normally, sit on your lap and purr — right up until the moment they physically cannot anymore.
By the time a cat shows visible symptoms of a UTI, kidney disease, or diabetes, the condition has typically been building for one to three weeks. That is not a gap in your attention. That is a gap the species spent millennia perfecting.
The result is what UK vets see every day — cats arriving as emergencies that were outpatient appointments two weeks ago. Owners sitting in waiting rooms at 11pm, horrified, asking why they didn't notice sooner. The answer is always the same: because your cat didn't let you.
Kittydoctor exists because the litter tray sees what you can't. And it never lies.
Every time your cat uses the tray, they leave behind a chemical picture of their health.
Start reading that picture every morning →Urine is diagnostic. Vets know this — it's why urinalysis is one of the first tests they run when something seems off. The problem is your vet runs that test once a year, maybe twice if you're diligent about senior checkups. In between, that information exists every single day in your cat's litter tray, and until now, nobody was reading it.
Kittydoctor's silica crystals are infused with pH-sensitive compounds calibrated for feline urinary chemistry. They react to four key markers:
pH levels — the earliest indicator of bacterial UTIs and crystal formation, detectable days before symptoms appear.
Blood presence — flagged at concentrations too small to see with the naked eye. By the time litter looks red, it's already serious. Kittydoctor catches it at five red blood cells per microlitre.
Bilirubin — there is no safe level of bilirubin in cat urine. Even trace amounts signal liver or bile duct involvement. Kittydoctor detects it from 0.5mg/dL.
Urine concentration — persistently dilute urine is one of the earliest warnings of chronic kidney disease. The crystal saturation pattern gives you a directional readout worth raising with your vet long before bloodwork would show anything.
When any of these shift, the crystal colour shifts with it. You see it in ten seconds when you scoop. You act the same morning.
Pour it in. Scoop daily. Check the colour. That is genuinely all this takes.
A 3.5kg bag lasts approximately 60 days for one cat. That is £0.58 per day — less than your morning coffee — to know every single morning that your cat's urine chemistry is normal. And on the days it isn't, to know that too, while there is still time.
The colour guide. Simple to read. Impossible to miss.
Yellow / Olive
NormalAll good. Healthy pH, no infection markers, no blood. Scoop and get on with your morning. This is what you want to see every day.
Orange
CautionAn acidic shift has been detected. This can indicate dehydration, early metabolic changes, or the beginning of kidney involvement. Don't panic. Do photograph it, note the date, and monitor for 24 hours. If it persists, call your vet. You caught this early — that matters.
Blue / Green
AlertAn alkaline shift — the chemical signature of a bacterial UTI or struvite crystal formation. This is the colour Kittydoctor was built to catch. Book a vet appointment today. Bring a photo. Tell them when it started. You are not overreacting. You are exactly on time.
Red / Pink
UrgentBlood has been detected in your cat's urine at a level that requires immediate attention. Do not wait for tomorrow. Do not monitor for 24 hours. Call your vet or an emergency clinic today. You caught this — and that is exactly why Kittydoctor exists.
Healthy pH levels — all good.
May indicate metabolic issues. Monitor closely.
Possible UTI or infection. Vet visit recommended.
Blood detected. See a vet today.
Same cat. Same condition. Completely different outcomes depending on when you caught it.
Urinary blockage
Caught late — emergency catheter, overnight hospitalisation, fluids, pain management. Bill: £900–£1,500. Recovery: 2–6 weeks. Risk of recurrence: high.
Caught early — a course of antibiotics or a diet change. Bill: £45–£90. Recovery: days. Your cat barely notices.
Chronic kidney disease
Caught late — advanced treatment, prescription diet for life, regular blood panels, fluid therapy. Monthly ongoing cost: £100–£300. Years of management.
Caught early — dietary adjustment, increased hydration, monitoring. Progression slowed significantly. Years of quality life preserved.
Urinary tract infection
Caught late — hospital admission, intravenous antibiotics, possible surgery if a blockage has formed. Bill: £500–£1,200.
Caught early — a short oral antibiotic course prescribed at a routine appointment. Bill: £40–£80. Done in a week.
These are not hypothetical numbers. These are the bills UK cat owners are paying every week — not because they loved their cat any less, but because they didn't have a way to look until the symptoms arrived. Kittydoctor is the way to look. Every morning. For the rest of your cat's life.
Keep learning
UTI Detection in Cats
How the crystals catch a feline UTI days before behavioural signs appear.
UTI Detection in CatsVet Recommended
The veterinary case for daily early-detection at home.
Vet RecommendedWhy cats hide illness
The evolutionary reason your cat will never tell you they're sick.
Why cats hide illness