Prepping New Nappies
Fitted nappies, inserts, boosters, prefolds all need prepping. They need about 6 – 8 washes before they reach full absorbency. You don’t need to dry the nappies in between washes. Soaking overnight in fresh water can speed up this process. Be sure to pre-wash your nappies (including shells) once in warm water with detergent to get rid of any manufacturing reside before use. Shells (covers and pockets) don’t need prepping.
Microfiber usually reaches their maximum absorbency within 6 washes. You can wash synthetic fibres in cold water.
Cotton, hemp, and bamboo nappies/inserts/prefolds all need to be washed separately to the rest of your nappy stash in warm to hot* water to get their natural oils out.
AIOs should be prepped with cold/warm water, never hot*. You can prep all AIOs together, unless a manufacture has a warning that colours may run, you may want to rinse them first in cold water before washing with the rest.
New nappies can be used after a couple of washes but you will need to change them more frequently. How will you know if they have reached their maximum absorbency? It’s hard to tell, you just have to trust that the nappies will do their job. Frequent changes during the few weeks should do the trick to avoid leakages.
*Don’t use hot water can damage the PUL layer, snaps, and elastic.