@helebell511: Replying to @Jackey nope!! With the new D8, no need to pre rinse! 🙌 Save EXTRA on the D8 on Amzn by adding PR0M0 🌟 HelenD81 🌟 - this is extra on top of sale! Seriously such a good investment for any bottle feeding or pumping mamas! 🫧🍼 #momcozybottlewasher #momcozyd8 #bottlewasher #babyregistry #MomcozyBlackFriday pumpingmom