Tartaric Acid - natriumcarbonate

Tartaric Acid - natriumcarbonate
Due to changing temperatures, the tartaric acid in wine can precipate as cristals.
It is harmless, but the consumer often doesn't trust the wine anymore.
Tartaric acid can be released from the wine by cooling down the wine to 0 degrees celcius.
The cristals can easily be filtered out.