Here’s my entry.
Atomic H2O Fuuussssiiiiooonnnn Haaaaaaaaa
75 samples 4096 x 2160 resolution
Color management in blender
Composited in blender
Displacement with procedural texture
Nodes translucent and transparent for the shell
The inner is emission sphere with Musgrave procedural texture in 3 colors
The background is a glass cup and water inside the cup nodes.
The nodes for the glass has Musgrave texture for a frosted look on the glass and the water is a light blue color the bubbles are just a sphere with a glass shader.