mine are changed on a weekly basis as they get close to overflow. unless I forget... but weekly works well for me.
For cleaning I wash mine in our front loader on super white setting with just bleach. use the 2nd rinse and extra spin. Let them dry for a few days before use.
For cleaning I wash mine in our front loader on super white setting with just bleach. use the 2nd rinse and extra spin. Let them dry for a few days before use.




