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These controls define the liquid that your bubbles exist within. Different liquids produce dramatically different sounds.

Material Presets

The Material dropdown provides scientifically-accurate presets:
MaterialCharacter
WaterBright, crisp pops
SeawaterSlightly denser, the default starting point
Soap SolutionLonger-lasting bubbles, softer pops
GlycerolThick, gloopy, slow decay
HoneyVery viscous, muted and heavy
MercuryExtreme density, unusual resonance

Manual Controls

When Material is set to “Custom,” you have direct control:
KnobWhat It Does
Liquid MassDensity of the liquid. Higher density = slightly lower pitch and different damping character.
TensionSurface tension affects how bubbles form and burst. Low tension = fragile, quick pops. High tension = more crystalline ring.
ViscosityHow “thick” the liquid is. Low viscosity (like water) gives quick, bright decay. High viscosity (like honey) gives slow, muffled decay.