Published on September 9, 2025
TETHYS.21 is a Blanc de blancs Grand Cru cuvée produced by Champagne Guiborat , resulting from a precise blend of three exceptional terroirs of the Côte des Blancs : Chouilly , Cramant and Oiry .
The base of the blend is made up of 65% from the 2021 harvest , complemented by 35% reserve wines ranging from 2015 to 2020. Malolactic fermentation is fully completed. Bottling took place in April 2022, followed by disgorgement in December 2023. The dosage is minimal: ± 1.5 g/l .
