Build a container library of all your fermentation container weights. It’s super handy to keep track of all the weights for the times you forget to tare your scale or when you want to weigh a ferment already in a container. 

Using this app your can quickly take pictures of and record the weight of all your kitchen containers

Get it for Apple iOS

https://apps.apple.com/us/app/snap-weight/id1575509521

Get it for Android on Google Play Store

https://play.google.com/store/apps/details?id=com.HakkoBako.containerlib