Why does my brew taste flat?Updated 12 days ago
Even if fermentation completed as expected and keg pressure looks normal, your beer may still taste a bit less fizzy.
This is often related to serving temperature, storage method, or pouring conditions rather than a brewing problem.
1. The beer was served too warm
Carbonation becomes less noticeable when beer is not cold enough.
CO₂ stays dissolved only at low temperatures
Warm beer releases CO₂ quickly, making it taste flat
Tip:
Serve beer at 4–8°C for proper carbonation.
2. The beer was stored using Air Pump Mode for too long
If you use Air Pump Mode, oxygen enters the keg every time you dispense.
Oxygen quickly reduces bubble retention and softens carbonation.
Air Pump Mode is designed for short-term drinking (within 24 hours)
If you stored beer for several days in Air Pump Mode, CO₂ naturally decreases
Tip:
Use CO₂ Mode for storage longer than 24 hours.
3. The beer style is naturally low-carbonation
Some styles are intentionally soft and low in fizz, such as:
Stout
Porter
Certain Wheat beers
4. The beer was poured too slowly or into a warm / oily glass
Carbonation is very sensitive to glass cleanliness and pouring technique.
Common causes:
Glass had detergent/oil residue → kills foam instantly
Glass was warm → CO₂ escapes faster
Beer was poured very slowly → CO₂ dissipates before drinking
Tip:
Rinse glasses with cold water and pour steadily.
When to contact support
Email [email protected] if:
Taste is flat and there is 0 psi after cooling
Carbonation drops suddenly after only hours of storage
You suspect the keg lid or PRV is not sealing even after cooling