A fleece routine that survives family life has three parts: a thorough shake and brush before the liner ever meets the machine, a separate hot wash with an extra rinse and no scented softeners, and a dry spare set so the pigs are never waiting on the dryer. Anchor the swap to a laundry day you already keep and it stops feeling like an extra chore.
Before the machine: shake, brush, gather
Take the used liner outside and shake it hard, then brush off hay strands, hair and dried droppings with a stiff hand brush over a bin. Hay left in the fleece tangles in the wash, sheds onto everything else in the load, and can clog filters over time. Roll the brushed liner into a dedicated laundry bag or an old pillowcase if your machine is shared with family clothes, and keep a lidded basket by the cage so dirty liners wait in one place instead of draped over the nearest chair.
The wash itself
Wash liners as their own load, never mixed with family clothing. Use a plain, unscented detergent and skip fabric softener and scented dryer sheets completely: softeners coat fleece fibres and stop the top layer wicking moisture down into the absorbent core, which leaves the surface damp under the pigs' feet. An extra rinse cycle helps clear detergent residue that could irritate skin and airways. Dry thoroughly — tumble on a gentle heat or air-dry flat — because a liner put back even slightly damp will smell within a day.
How many sets, and how the swap runs
Two full sets is the working minimum: one in the cage, one clean and dry in reserve. On laundry day, lift the pigs into a safe playpen with hay and a hide, strip the used liner straight into its basket, wipe the cage base while it is empty, lay the clean set, and restock hay and houses before the pigs go back. Daily spot-picking of droppings and damp patches between washes stretches each set further and keeps the main wash from becoming a rescue mission.
When a liner stops performing
If a freshly washed liner still holds a sour smell after drying, or puddles sit on top instead of soaking through, the absorbent layer is tired or clogged with residue. A plain hot wash with an extra rinse sometimes revives it; a liner that still fails the soak-through test belongs in the bin, because guinea pigs standing on wet fleece day after day are prone to sore feet. Note which set you retired so the reserve count stays honest.
Sharing cage day fairly
Liner day has several small jobs — pig wrangling, shaking, washing, wiping, relaying — which makes it easy to split across the family instead of landing on one person. KinsLe Care Teams lets you assign each part of your guinea pigs' laundry-day routine to a different helper, with every finished step timestamped so nobody has to ask whether the clean set actually went in.