Skool Profile
Liquid Lab Systems
Service-proof batching & tap cocktail systems for R&D bars -->templates, SOPs, troubleshooting, and weekly Q&As to keep service consistent & scalable.
Liquid Lab Systems
Simplifying and systematising bar lab's operations from fermentation & carbonation to large operations, this is the place to be!
What You Get Inside:
Who’s Already Inside?
Hosted by:
John Vavadakis: a practical, systems-first bar professional who helps bars with making batch and tap cocktails reliable under real service pressure. He’s focused on reducing waste & improving consistency through clear systems, SOPs, and proven troubleshooting frameworks.
Step-by-step batching & prep systems
A clear learning path to scale your lab operation
Ready-to-use templates (prep sheets, batch logs, daily checks)
Troubleshooting (off-flavours, separation, foam, clarity)
Weekly live Q&As (recorded)
R&D manages & Head bartenders who run prep, batches, taps, and teams
Ambitious seniors who want to think and operate like a head bartender
Operators who care about consistency, speed, and less waste—not “trendy recipes”
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