The Journal
Clear thinking,
on cats.
Litter science, feline health, and the occasional strong opinion about litter boxes.
cat health · Featured
What the Colors in Health-Monitoring Cat Litter Mean
Health-monitoring litter changes color when urine pH shifts or blood appears. What each type of change can signal — and exactly what to do next.
Clear Litter Team · Jul 15, 2026 · 5 min read
cat health
Is Crystal Cat Litter Safe? What Silica Gel Actually Is
Crystal cat litter is non-toxic silica gel — safe for cats over 8 weeks. What silica actually is, the dust question, and the few real cau...
Clear Litter Team · Jul 14 cat healthThe Cat Litter That Detects UTIs Before Symptoms Show
Health-monitoring crystal litter changes color when your cat's urine chemistry looks off — an early warning for UTIs and kidney issues. H...
Clear Litter Team · Jul 10One good email a month.
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