Overview
A carbonation cap is a simple fitting that screws onto a standard PET bottle and lets you inject COâ‚‚ directly into any liquid. At under $20, it is the most affordable and versatile way to carbonate small batches of any beverage. This guide breaks down specifications, compatibility, and practical setup to help you make a confident decision for your specific carbonation needs.
Choosing for Your Use Case
Before buying any carbonation equipment, understand your daily usage. Light users (under 0.5L/day) need different equipment than heavy users (2L+/day). Use the COâ‚‚ Cost Calculator to see exact break-even points for any upgrade.
Key Compatibility Standards
The CGA-320 valve is the standard connection for home carbonation in North America. Almost all consumer COâ‚‚ tanks, regulators, and adapters use this threading. Verify CGA-320 compatibility before purchasing any component to ensure it integrates with your existing equipment.
Safety First
All pressurized COâ‚‚ equipment requires proper care. Always secure tanks upright, check connections with soapy water monthly, and store away from heat sources. See the COâ‚‚ Safety Guide for comprehensive indoor safety guidance.