About ReviewCatLitter

We buy cat litter, live with it, weigh what it throws into the air, and publish the readings. Where a reading does not exist, we say that too, in those words.

What is on this site

17 litters have a review page of their own, and each one carries the numbers we logged for that bag rather than a rewrite of the label. Those same products feed 90 side-by-side pages, so you can put two bags next to each other without reading two reviews and doing the arithmetic yourself. Every figure is stored once and used everywhere, which means a corrected reading corrects the review, the comparison and the category roundup in the same edit.

The honest headline is that our record is uneven. 16 of the 17 litters have been weighed for dust, 12 have a clump reading, and 17 have a costed daily figure. The rest are marked not measured and stay that way until somebody actually takes the reading. You can see the whole grid, holes included, on the test data page.

Who writes it

Everything here is written by the editorial team behind this site. Who they are and how corrections are handled sits on the editorial standards page.

How a litter gets picked and paid for

• We buy the bags in our test catalog at retail price, like anyone else would
• We take no free product and no payment for a place on a list
• We keep measured readings and editorial judgement in separate columns
• We publish the gaps in our own record instead of rounding them away

What we actually measure

Four readings come off the bench and one comes off the receipt. Dust is weighed in milligrams while a fresh box is poured. Clumping is the share of clumps that stayed whole after a 3-foot drop. Odor is ammonia in parts per million, read from the box as the run goes on rather than sniffed once and scored. Tracking is a count of granules found inside a 12-inch ring around the box. Cost per day comes from the price of the bag we bought and how long it lasted. The full protocol, including the parts of it we never wrote down, is on the methodology page.

What we do not measure

How a litter feels under a cat's paws. Whether a cat will still accept it a year from now. How far granules travel through a house rather than around the box. Dust in the air an hour after the pour. Behaviour inside a covered box or an automatic box. Any health effect on a cat or a person. We have opinions about some of these. Opinions are not readings, so they never turn into a number.

What we will never print

A number nobody took. A reading borrowed from a similar bag. An instrument we cannot name, a store we cannot name, a tester we cannot name. Right now the instruments behind our readings and the shops the bags came from are not recorded for any of the 18 products, and every one of those cells says so out loud. It looks worse than a tidy table. It is the only version we are willing to publish.