It does NOT work.
It's a great concept, but the litter doesn't work well. It tracks everywhere and only lasts three weeks at best before smelling so bad (with daily cleaning) you will choke.
I have a sick kitty. I was recently at the vet and none of his urine showed a change of color in the litter. Also, the fine sand stuck to him, and he got an infection from it.
The customer service people are weeks behind in responses. They didn't honor coupons on charges, and I've been fighting a double charge with them for 3 months. They take 3 weeks to get back to you.
Bottom Line: No, I would not recommend this to a friend
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