Best litter switch for a Tiffanie cat

Having a brand discontinued mid-routine is genuinely stressful — cats like your Tiffanie can be very particular about litter texture and scent, and a bad switch can lead to box avoidance quickly. Litter preference really matters: most cats do best with unscented, fine-grained clumping litter, and that holds especially true for cats who've been consistent with one product for years. To find the closest match, can you tell me: what brand were you using, was it clumping or non-clumping, and have you noticed any litter box avoidance issues with her in the past?

That's a really useful description — firm-clumping, fine-grained, unscented is a very specific profile and it narrows things down nicely. Before I give you a recommendation: does she have any dust sensitivity that you've noticed, and does she tend to track litter much outside the box? That'll help me confirm whether we need to prioritise low-dust or low-tracking alongside the clumping match.

In that case, the closest match I'd point you to is Catsan Ultra Plus Unscented Clumping Cat Litter. It's a fine-grained sodium bentonite clay litter that forms very firm, tight clumps — comparable to what you'd have had with Sophisticat Ultra. It's unscented, widely available on Amazon UK, and it's genuinely one of the more consistent performers in that fine-grain unscented clumping category. Catsan is well established and the Ultra Plus formulation specifically is the firmest-clumping version they do. For a cat with no avoidance history and a clear texture preference, this is as close a like-for-like as you'll find.

Given that your Tiffanie has been consistent for four years and has no avoidance history, you have a bit more flexibility than a cat with previous issues — but I'd still do a gradual mix over about a week. Start with roughly 70% old litter and 30% Catsan Ultra Plus, then flip that ratio by day four or five, then go fully Catsan by day seven. If you have any of the old litter left, that buffer period genuinely helps. The texture is similar enough that most cats don't react badly, but the gradual approach removes almost all the risk.

Good move. Keep an eye on her for the first couple of weeks — if she starts hesitating at the box or going less frequently, that's your early signal to slow the transition down. But with a cat her age who's been reliable, you'll very likely have no issues at all. Hope it goes smoothly.