New Liquid

A new green thick liquid and here are its specs:

• thick (almost like lava or a bit less like lava)
• lime green color (should look like some acid or radioactive waste)
• can be placed in a bucket
• you can't see through it (like lava)
• can be placed in Cauldron
• emits thin green light
• deals no damage but applies poison effect on contact
• all types of skeletons and zombies are immune to it
• does not destroy dropped items
• does not destroy boats and carts
• endless source cannot be created
• has neat visual effect of small square bubbles appearing and popping on its surface (like actual 3d bubbles slowly grow and pop)

Generation:

• deep in caves
• in swamps
• sometimes in Cauldrons in witch huts
• ???

Usage:

• turns "organic" items into slime? (like leaves, meat, plants)
• obstacle
• its liquid it can carry items and deal damage perfect for automatic farms
• Decoration
• ???

Originally the idea of this block came to me when i desperately needed some liquid green stuff  to surround my evil looking buildings. I had to use lime glass instead and it looked terrible.