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From orchard to bottle

What are all the stages of making cider, in order?

In short

Nine, running from the orchard to the closure: growing, harvest, milling, pressing, juice assessment, fermentation, maturation, blending and packaging. Every one of them is a set of decisions, and the useful thing to know about the sequence is which of those decisions can still be changed later and which cannot.

Sugar, acid and tannin are largely fixed by the time the fruit is picked. Almost everything else — clarity, carbonation, sweetness, even acid to a degree — remains adjustable well into the process.

The stage where the most is decided for the least effort is the juice assessment, because it is the last point at which the maker knows what they have before the yeast starts changing it.

The pathway, and what attaches to each stageNine stages from orchard to package, each with the measurement taken there and the thing that goes wrong there — so a reader who knows the symptom can find the stage.StageMeasured hereGoes wrong hereOrchardyield, bloomfrost, biennial bearingHarveststarch index, firmnessrot, bruisingMillingparticle sizesmearing, oxidationPressingjuice yieldpoor extractionJuiceSG, TA, pH, nitrogenhigh pH, low nitrogenFermentationgravity, temperaturestuck ferment, sulphideMaturationVA, clarityacetification, filmBlendingacid, tannin balanceflat or harsh blendPackagingdissolved CO₂, pressurerefermentation
Nine stages from orchard to package, each with the measurement taken there and the thing that goes wrong there — so a reader who knows the symptom can find the stage.
Described in full
Shape
A vertical spine of nine boxed stages, each with two columns of text beside it: what is measured at that stage, and what commonly goes wrong there.
Orchard
Measured: yield and bloom. Goes wrong: frost at blossom, and biennial bearing, both of which decide how much fruit exists before any of the rest applies.
Harvest
Measured: starch pattern index and flesh firmness. Goes wrong: rot and bruising, which are a food-safety question as well as a quality one because damaged fruit is where patulin-producing moulds establish.
Milling
Measured: particle size. Goes wrong: smearing of over-soft fruit, which blocks the press, and oxidation, which begins the moment the cells are broken.
Pressing
Measured: juice yield. Goes wrong: poor extraction, usually from pomace that is too fine, too coarse, or too wet.
Juice
Measured: specific gravity, titratable acidity, pH and assimilable nitrogen. Goes wrong: a pH too high for sulphite to work, and nitrogen too low for the ferment to finish.
Fermentation
Measured: gravity and temperature. Goes wrong: a stuck ferment and hydrogen sulphide, both of which are usually decided by what the juice carried rather than by what the maker did afterwards.
Maturation
Measured: volatile acidity and clarity. Goes wrong: acetification and surface film, both driven by oxygen reaching the surface of a partly filled vessel.
Blending
Measured: acid and tannin balance. Goes wrong: a blend that is flat or harsh, which is a judgement rather than a defect.
Packaging
Measured: dissolved carbon dioxide and bottle pressure. Goes wrong: refermentation in the container, which is the one failure on this list that can be a physical hazard.
How to read it
The columns are the point. A reader who has met a symptom can find the stage it belongs to, and a reader planning a season can see which measurement each stage actually calls for. Nothing here is deterministic: a fault listed against a stage is a fault that commonly begins there, not one that can only begin there.

The path, and what attaches to each stage

Each stage below has a measurement that belongs to it and a failure that commonly begins there. The pairing is the useful part: a maker who meets a symptom can find the stage it came from, and a maker planning a season can see which measurements each stage actually calls for.

Nothing here is deterministic. A fault listed against a stage is one that commonly begins there, not one that can only begin there — acetification is listed against maturation because that is where it usually takes hold, and it can start in a badly handled press.

What is fixed early, and what stays open

When each property of the finished cider stops being adjustable.
PropertyFixed byStill adjustable after that?
Potential alcoholRipeness at pickingOnly by adding sugar, which is regulated in some jurisdictions and forbidden in some designations
Tannin and phenolicsThe cultivars in the pressDownwards by fining; not upwards without adding fruit or juice
AcidThe cultivars, and how ripe they wereUpwards by acid addition; downwards by malolactic fermentation or blending
pHThe juice, chiefly its potassiumFollows acid changes, but buffered — a large acid change makes a small pH change
Assimilable nitrogenThe fruitUpwards by nutrient addition, best done before or early in the ferment
SweetnessWhere the ferment is stopped, or what is added backFully adjustable until packaging — and a stability question thereafter
CarbonationThe method chosenFully adjustable until the container is closed
ClarityTime, or interventionAdjustable at any point, at some cost to flavour

The four decisions that shape a cider most

What the sequence looks like at two different scales

On a farm making a few thousand litres, the stages compress. Fruit is shaken, gathered and milled within days; the juice is often not analysed at all; fermentation is spontaneous in whatever vessel is free; blending happens at racking by taste. The sequence is the same and several of its decision points are taken implicitly.

At commercial scale each stage is instrumented and separated. Fruit is sampled and analysed on arrival, juice is standardised, ferments are inoculated and temperature-controlled, and blending is a bench exercise against a specification. Neither is more legitimate than the other; the difference is how much of the outcome is decided deliberately rather than by circumstance.

The stages that change most between the two are juice assessment — which barely exists at farm scale and dominates at commercial scale — and stabilisation, which a farm may not do at all.

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