You bought a litter from a brand you'd never heard of, sitting next to giants with thousands of reviews. That took a bit of trust. Here's what we're doing with it.
TellTail is a small, independent brand — no marketing department, no celebrity endorsements, no budget to put a litter in front of you fifty times a week.
We started it because of a gap that had annoyed us for years. The litters that tell you anything are crystal beds — you can't scoop the wet part out, you bin the whole box at once, and plenty of cats simply don't like walking on them. The litters that are genuinely pleasant to live with tell you nothing at all, and a cat can be quietly off for weeks before it shows, because hiding it is what cats are best at.
And then there's the dust. Pour a bag of clay through a patch of afternoon light and you can watch exactly what your cat is about to breathe in and then groom off their fur. Once you've seen that, you don't really want it in the house again.
So this is the litter we couldn't buy anywhere: plant-based, hard-clumping, low-dust — and it still shows you something. It's produced in a plant that makes plant-based litter at scale, the indicator is food-grade, and every batch is tested before it ships. On something that lives in your cat's box every single day, that's not a place we're willing to cut corners.
We'd rather tell you that here than let you find it out on your own. The indicator could hold its reading further into a fourth week. The clumps could be harder still. There's dust we want gone that isn't gone yet.
Which is why almost everything this brand earns goes straight back into development — new formulations, more work on the indicator, testing batch after batch — instead of into being loud. Every run is a little better than the one before it, and that's paid for by bags that sell, not by investors who'd want the cheaper version of all this.
The honest mechanics of Amazon: reviews, not quality, decide what gets shown. A litter with a few hundred reviews reads as a real product. A litter with a handful reads as a gamble — even when it's the better one.
Every review moves us out of that second category, and every bag that sells because of it pays for the next round of work. That's the whole loop, and right now you're the part of it we can't buy.
— everyone behind TellTail (there aren't many of us)
Everything above — the testing, the money going back into the product instead of ads — runs on bags that sell. And on Amazon, what sells is what has reviews. If TellTail has earned a place in your home, saying so there is the single most useful thing you can do for it.
Leave a review on AmazonEverything the label didn't have room for. The litter holds its beige right across the comfortable middle and only begins to shift below about 5.3 or above 7.7 — and how far it goes from there tells you whether to watch or to call.
The litter stays its natural beige. A healthy cat usually sits around 6–7.5, and anywhere in this middle stretch the indicator has no reason to react.
A simulation of how the granules respond — not a reading from your cat.
Why it can happen. Rarely the diet on its own. A reading this low more often reflects something body-wide — a cat that has stopped eating, significant dehydration, or a metabolic upset. It is uncommon, and that's exactly why it's worth acting on.
Why it can happen. Most often the food. Plenty of urinary and struvite-control diets acidify on purpose, and protein-heavy feeding or lots of treats push the same way. Low water intake concentrates everything and exaggerates it.
Why it looks like this. Ordinary carnivore chemistry. This is what you'll see almost every day, and seeing nothing is the product working — not the product failing.
Why it can happen. Urine drifts alkaline for a few hours after a big meal, so an evening clump can read high for ordinary reasons. A clump that sat in the box all day also drifts upward on its own. The cause that isn't harmless is a urinary infection: some bacteria split urea and push pH up.
Why it can happen. Most often a urinary infection — or a stale sample. A clump left for many hours keeps drifting upward, so an old clump can overstate the reading. Both explanations deserve a check, for different reasons.
The litter reads the clump, not a lab sample — and timing moves the number. If a color keeps appearing and you want certainty, ask your clinic for non-absorbent collection beads: you swap them into the box for a day, they collect a clean sample, and the lab measures pH together with concentration, crystals and bacteria. That's the test the color is pointing you toward, and it's the one that can actually name a cause.
Two things that make any home reading unreliable: a clump that has been sitting for hours, and a multi-cat home where you don't know whose it is. For the second, separating cats for a day or two is the only simple way to find out.
Two levels, two different responses. Orange around 5 or green around 8 means the pH has already left the range a healthy cat sits in. That's a warning, not a curiosity — diet explains some of them and early trouble explains the rest, and the color alone can't tell you which. Seen twice, it's a conversation with your vet.
Deep red at 4.5 or below, or deep green at 9 or above, is a different matter. That's far enough out to warrant a same-day call rather than a few more days of watching. There are conditions your vet will want to rule out quickly, and urinary problems in cats get worse fast.
Judge the pattern where you can. Food, water intake and the hours after a big meal all move pH around, so one green evening followed by a beige morning is usually the meal. But a warning color that comes back, or a critical color even once, is for acting on — not for explaining away.
Write it down. A note on your phone — date, color, anything odd in the box — turns "I think the litter went green sometimes" into something your vet can actually use.
In a multi-cat home, you're reading the box, not a particular cat. If a color keeps appearing, separating cats for a day or two is the simplest way to find out whose it is.
One thing that isn't about pH at all: a cat straining in the box and producing little or nothing — especially a male cat — needs a vet the same day, whatever color the litter is. That one is an emergency.
One honest limit, while we're being straight with you: we make litter, not diagnostics. TellTail is a cat litter, not a medical or diagnostic device, and it doesn't diagnose anything — it notices that something moved, so you get to be the one who looks into it early. Everything after that is your vet's job, and they're much better at it than a bag of litter.
Everything you just read is what the next buyer is trying to work out from a product page and six reviews. They can't drag the slider or test the depth — they can only read what someone like you decided to write.
We won't pretend it's a small thing for us. For a brand this size, reviews are the difference between being found and quietly not existing — so yours would mean more than it probably feels like from your side.
If you're not sure what to say: how your cat took to it, how the clumps held up, what the color did. That's plenty.
Leave a review on AmazonWe read every single one — and they decide what the next batch looks like.
Tofu litter behaves a little differently from clay. Four things decide whether it clumps hard and reads the color cleanly — none of them take extra effort, but skipping them is behind almost every disappointed first week.
Tofu granules need a real bed under them to lock a clump together. At 2–3 inches the clump forms in the litter and lifts out whole; much shallower and it forms against the pan and sticks there.
If clumps stick to the bottom — that's the only cause, nine times out of ten. Add an inch and the problem disappears, no need to change anything else.
Clay dust settles over the granules and greys them out, so the indicator reads muddy instead of clean. The two also clump at different speeds, which gives you crumbly half-clumps.
Switching from clay? Mix the two for three or four days so your cat gets used to the texture, then go fully over and wash the box. After that, TellTail only.
Firm clumps lift out in one piece. Scooping daily is what keeps the bed clean enough for the next reading to be honest — old clumps left in the box tint everything around them.
Flushing*: clumps break down in water, so flush them a few at a time, never a scoopful at once. Solid waste goes in the trash, not the toilet. After scooping, pour a little fresh litter back to hold the 2–3 inches.
That's for one cat with daily scooping; with two or more, closer to every ten days. Tip the whole box, wash it with warm water and mild soap, dry it, refill.
Why bother: residue builds up on the pan and slowly dulls every color you see afterwards. A washed box is what keeps the reading as sharp in week three as on day one.
Soft clumps, dust, a damaged bag, a color you can't read? Email [email protected] — it reaches a person, not a queue, and we answer within 24 hours.