Arm & Hammer Clump & Seal Platinum Cat Litter vs Scoop Away Multi-Cat Clumping Litter

Scoop Away Multi-Cat is formulated specifically for the higher waste volume and ammonia load that comes with three or more cats. Arm & Hammer Clump & Seal is a great general-purpose litter that happens to perform well in multi-cat homes — but there's a real difference between designed-for and works-in. When you're scooping for four cats twice a day, that engineering gap shows up in how long odor control actually holds.

This isn't a minor complaint — multiple Reddit threads specifically call out that Arm & Hammer Clump & Seal has changed: different color, more dust, worse clumping, more tracking. One r/litterrobot user said the quality 'went off a cliff.' Scoop Away has no equivalent pattern of complaints. When you're buying litter monthly for multiple cats, consistency isn't a nice-to-have — it's the whole game.

Good Housekeeping tested over 25 cat litter brands across three years before naming Scoop Away their multi-cat pick — that's a sustained, methodical evaluation, not a single test cycle. Arm & Hammer's Good Housekeeping mention is positive but narrower in scope. For a product you're buying repeatedly and relying on daily, the depth of that testing matters.

Neither litter wins on fragrance sensitivity — Arm & Hammer's baking soda formula is scented, and at least one r/CatAdvice user found Scoop Away's perfume intolerable. If you have a cat that rejects scented litter, neither of these is your answer and you should be looking at unscented clay or silica options instead. Don't buy either expecting a fragrance-free experience.