There are a lot of videos and hacks showing you to put the aerial roots in water and how it helps the plant to grow better. These roots are on the plant to help anchor it, not to absorb water. While they can take in small amounts of moisture, they are best utilized to hold the plant onto a moss totem or on a tree trunk. Monstera deliciosa plants are vines that like to climb. That’s what aerial roots are for, so don’t place them in water. If the roots don’t grow in the dish of water they can rot and affect the overall health of your plant.