Minecraft Earth:Bucket of Mud

A bucket of mud is a bucket filled with.

Mud
A bucket of mud can be obtained by a bucket on  source block. The source block is consumed at the process.

Tappables
It can also be obtained from as a rare item.

Usage
a full bucket of mud on a solid block places a mud source block against that block, emptying the bucket.

If a bucket of mud is placed next to a water source or in water, the mud source block is destroyed.