Between the second fermentation and the finished bottle lies a problem that must be solved: the deposit of dead yeast cells. Champagne riddling is the process that moves that deposit to the neck of the bottle, ready for disgorgement to eject it. What sounds simple was for centuries one of the most labour-intensive steps in sparkling wine production. Today, manual and automated versions live side by side, and the choice between them is more than technical.
The problem to solve
After the second fermentation, dead yeast cells settle in the horizontal bottle. The deposit spreads along the side, mixed with the wine. For a clear final product, that deposit must leave the bottle without losing the mousse or exposing the wine to air.
Two steps follow each other:
- Riddling (remuage): the deposit gradually moves to the neck.
- Disgorgement (dégorgement): the deposit is ejected from the neck.
Both steps carry nearly two centuries of refinement.
The pupitre invented by Madame Clicquot
Until the early nineteenth century, Champagne was hazy. The deposit could not be efficiently removed, and drinkers had to live with cloud in the glass. Around 1816, Veuve Clicquot, with her cellar master Antoine Müller, developed the answer: the pupitre. A wooden A-frame with holes for bottles, tilted progressively and twisted lightly each day so the deposit slid along the wall to the neck.
The process took six to eight weeks per bottle. A skilled remueur could turn up to 50,000 bottles a day (one bottle every eighth of a second). It was a back-breaking trade, and the pupitre remained the standard until the 1970s.
The giropalette: industrial riddling
In 1968 the giropalette was invented by Coca Catalan, first in Cava production and soon also in Champagne. A metal cage holding 504 bottles, with a computer programmed to tilt and twist the entire cage following a preset schedule. What the pupitre did in six weeks, a giropalette does in three to eight days.
Today more than 95 percent of Champagne is riddled by giropalette. Pupitres have become a marketing and heritage tool: still used for prestige cuvées and visitor tours, but rarely for commercial volumes. Krug, Salon, Bollinger and a handful of growers keep pupitres in serious production, partly to preserve the tradition, partly because they believe the gentler movement gives a marginally better result.
Whether that difference is detectable in the glass remains an open question. Many cellar masters say yes, blind tastings give mixed results. It is not a quality marker you can judge on method alone.
Disgorgement: à la glace versus à la volée
Once the deposit sits in the neck, it has to leave. Two methods:
À la glace (in ice) is the modern standard. The neck of the bottle is dipped in an ice-and-salt bath (around minus 25 degrees Celsius) for several minutes, freezing the deposit and the first centimetre of wine. The bottle is set upright, the crown cap removed, and the bottle pressure shoots the frozen plug out. Fast, clean, and compatible with automated lines.
À la volée (on the fly) is the old manual method. The bottle is tilted, the crown cap removed, and the remueur lets the deposit shoot out without freezing it first. It requires extreme skill to get the bottle upright quickly enough to lose minimal wine. Almost nobody uses it commercially today, but a few growers and small houses (such as Tarlant and Anselme Selosse for specific cuvées) still practice it on principle.
The difference in the wine is minimal when both methods are well executed. The difference in labour is enormous.
What this does to the wine
After disgorgement the bottle is open for a few seconds. In that time a tiny amount of oxygen reaches the wine surface. For most cuvées this is not problematic; the oxygen contact is partly compensated for by the dosage addition and the subsequent sealing.
For Brut Nature without dosage, disgorgement is a delicate moment, since the wine is not shielded afterwards by added sugar. Producers who work carefully use inert gas flushes and tight timing to minimise oxidation.
The disgorgement date as information for the drinker
More and more producers now print the disgorgement date on the back or neck of the bottle. This is not a marketing detail: it gives the drinker a handle on two things. How long the wine has been on the market (and how much it may have settled), and when the post-disgorgement clock started ticking for the optimum drinking window.
Rules of thumb:
- Three to six months post-disgorgement: the wine is still angular, dosage not yet integrated.
- Six months to three years post-disgorgement: usually the best window for NV.
- Three to ten years post-disgorgement: for vintage and prestige cuvées, the zone in which tertiary complexity develops.
- Ten years or more post-disgorgement: only for top wines built for long ageing.