# Evaporation Issues **URL:** \ **Category:** Anova Support\ **Created:** [January 19, 2017, 11:59am UTC](https://community.anovaculinary.com/t/evaporation-issues/4498 "2017-01-19T11:59:40Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![john.jcb](https://sea2.discourse-cdn.com/flex016/user_avatar/community.anovaculinary.com/john.jcb/32/7269_2.png) [@john.jcb](https://community.anovaculinary.com/u/john.jcb)\ **Post date:** [January 19, 2017, 1:57pm UTC](https://community.anovaculinary.com/t/evaporation-issues/4498/2 "2017-01-19T13:57:54Z")
The bath water will evaporate when you do longer cooks. Covering the container is the best solution. It does not take much to minimize evaporation. I often use plastic wrap. It is a good idea to check the water level periodically. Here is a link to a lengthy discussion on various ways the problem has been addressed. > [@Covered container?](http://community.anovaculinary.com/t/covered-container/490/21): > > I purchased a regular plastic cooler and cut a hole (bandsaw) on one side of the lid. I noticed that the lid was hollow, so to avoid water getting inside and to better insulate it, I sealed it by purchasing metal duct tape (looks like nice shiny aluminum, not affected by heat) and sealed the cut edge. Shortly before sealing it, I sprayed expanding foam spray (Home Depot) to fill the interior of the lid. This helps avoid the problem of water getting inside. Finally, as a tip, take some masking ta… --- _[View the full topic](https://community.anovaculinary.com/t/evaporation-issues/4498)._