84 out of 100 Very good
Germany's household clay, and a fixture of the European pet shop for good reason. Biokat's, made in Germany, blends three grain sizes into a single clumping litter, and the Classic Fresh arrives at No. 17 with eighty four, carried by one perfect score and a strong, balanced card.
Tracking is the triumph, a flawless five: the multi grain build, with its mix of fine and coarse particles, settles into the tray and simply refuses to ride out on paws, a genuine rarity for clay. Clumping and odour each score four and a half, the clump lifting hard and the added fresh fragrance holding a busy box clean across the week. Dust comes in at four, low for clay though not quite invisible, the one axis where the mineral shows.
Sustainability sits at three, lifted above the usual clay floor by the brand's genuine environmental work and its Ecocare recognition, but capped, as all clay is, by the simple fact that bentonite is mined and discarded. It is a cleaner conscience than most of its mineral peers, without pretending to plant litter virtue.
What Biokat's offers is European clay done properly: hard clumping, low tracking, reliable odour control, and the reassurance of a brand that has earned its shelf space over decades rather than through marketing spend. It is the sensible, widely available choice for the owner who wants a dependable mineral litter and values the low tracking above all. A strong, honest, well made clay, and a deserved presence in the upper half of the list.