Smart pH Insight is Purrify’s innovative color-changing litter technology.
The formula reacts to the acidity or alkalinity of your cat’s urine. By observing the changing clump colors, cat owners can gain simple insights into their cat’s health condition.
These color signals may help you notice potential changes before visible symptoms appear.
Earlier awareness allows pet owners to take action sooner and may help reduce potential veterinary costs.
Calibrated to U.S. Veterinary Standards. Aligned with guidelines from the American Animal Hospital Association (AAHA) and American Veterinary Medical Association (AVMA), Purrify accurately measures pH levels from 4.0–10.0 with 7 distinct color indicators—ensuring veterinary-grade accuracy for at-home monitoring.
Different pH levels produce distinct color tendencies:
Acidic range – colors shift toward pink
Balanced range – colors appear light yellow or light green
Alkaline range – colors shift toward blue
Understanding the Color Zones
Persistently acidic urine is commonly associated with chronic dehydration, excessive protein intake, or dietary imbalance.
A consistently acidic urinary environment significantly increases the risk of calcium oxalate stone (a.k.a. "kidney stone") formation, which can be difficult to dissolve and may lead to recurrent urinary irritation, causing pains for your cat.
If this color trend persists for 7–14 days, we'd recommend you take the cat to a vet for check up.
Slightly acidic urine is commonly observed and may help limit mineral buildup in cat’s urinary system.
If the color stays in this range for 7-14 days, please keep monitoring your cat's hydration and diet balance.
This is considered the optimal and most stable urinary pH range, generally reflecting well-balanced hydration, diet, and routine.
Mildly alkaline urine may reflect changes in hydration, diet, or daily routine.
Encourage more water intake and keep monitoring color pattern changes.
Persistently alkaline urine is often linked to low protein intake, insufficient hydration, or ongoing urinary infection issues which may cause bladder stone.
This environment significantly increases the likelihood of struvite (magnesium ammonium phosphate) stone formation, one of the most common urinary stone types in cats.
If alkaline trends persist beyond 7-14 days, we highly recommend you take the cat to see a vet.
