Tidy Care Alert helps you monitor your cats health, using colour-changing crystals to measure urine pH and alert you to potential health concerns. These cat-safe crystals are highly absorbent and non-clumpingjust remove solids and stir the litter daily to ensure maximum absorption and odour control. Simplify litter care and keep an eye on your beloved cats health with Tidy Care Alert.Alert packs a ton of performance into every bag, making it easy to carry, pour and store, all with low dust. Alert is non-clumping, so there are no urine clumps to scoop. Just remove solids and stir the litter daily for easy, optimal performance. Highly absorbent crystals absorb moisture on contact and provide lasting ammonia odour control for a clean-smelling home. Colour-changing crystals show you when your cats urine pH is normal or outside of normal range, alerting you to potential health concerns.