OUR FARM DISTILLERY
BARLEY FIELD
The farm is a vital part of life at Kilchoman and we have 2,322 acres of farmland, of which only 160 acres are suitable for growing barley.

The fields are ploughed and planted in mid-April once the geese have left the island. We exclusively grow Concerto barley due to its high yielding properties and it also has the ability to stand up to the wet and windy Islay conditions. Once the barley has reached maturity over the summer months we then harvest in September. We hope to harvest between 150 – 200 tons of barley.

The financial risks for groing our own barley are considerable as all the costs are paid at the time of planting and we totally rely on the weather for the crop. Why do we bother? Just taste a dram of our 100% Islay – makes all the worry and risk worthwhile!

MALT FLOOR
We are one of only a handful of distilleries to carry out its own floor maltings. Everything at Kilchoman is very hands-on and the malting is no different, here we carry out a traditional approach with the tools of choice being large wooden shovels and a couple of wheelbarrows.

2 tonnes of barley is spread over the malt floor by the team, this then sprouts roots and begins to germinate over a period of 5-6 days. This is closely monitored and regularly raked and turned to ensure an even germination across the whole floor.

The traditional floor maltings is extremely labour intensive with a lot of time and energy spent on this part of the process. Shovelling and raking 2 tonnes of barley for 5 days a week isn’t for everyone!

KILN
The kiln is where the classic Islay smokey character is brought into the spirit. Islay peat, which is cut from a nerby peat bog, is lit in the bottom of our kiln. This produces an intense smoke like no other which is drawn up through the malted barley. The barley absorbes this intense peat smoke over the 10 hours we have the fire lit. This produces a phenol level of around 20ppm.

We only use Islay peat dug locally to the distillery. Islay peat is famous for its unique makeup, affording our spirit complex briny maritime flavours and earthy sweetness entirely different from the more ashy mainland peat.

Once the barley has been infused with peat flavours from the fire we then dry it down to under 5% moisture to be stored. The malted barley is then ready and waiting to be converted into our unique spirit!

FERMENTATION
One mash at Kilchoman produces 6000 litres of worts which is held in one of our six washbacks. We then add yeast to each washback which reacts with the sugars to begin fermentation and produce alcohol.

Each distillery varies the amount of time they spend fermenting and an average around scotland is 55 hours. We take this to an extreme and have an average fermentation time of 100 hours. As the yeast reacts with the sugars it dies between 50-60 hours but this is not the end of the changes in the washbacks, as time goes on lactic acid and esters form which produce creamy, buttery and particularly fruity odors and flavours. This long fermentation time is vital in creating the complex and flavourful spirit that is unique to Kilchoman.

After 100 hours of fermentation in the washbacks we are typically left between 7-8%abv

DISTILLING
The stills were designed and built specifically to produce our style of spirit and are among the smallest in Scotland. We have one set of stills, one wash still and one spirit still. Being small with a tall thin neck and reflux bulb, the spirit still is designed to create a very clean alcohol as well as encourage high reflux to produce a light spirit. The light, clean spirit created here combined with the complex and fruity flavours produced in the washbacks make Kilchoman’s spirit stand out.

The wash still is charged with 3000 litres of wash which produces 1000 litres of low wines at 20%abv

The spirit still is charged with 1600 litres and produces 300 litres of spirit at 69%abv

The spirit safe collects the spirit once it runs off the spirit still and we take a high cut after only 5 minutes of foreshots from 75%abv down to 65.5%abv – an average of around 69%abv.

MASHING
Nine mashes are carried out each week where we add hot water to the 1.2 tonnes of grist to convert the starch into sugars. We add three waters at 64, 80 and 90 degrees to the mash tun to extract as many sugars as possible for fermentation. Each water is then drained through the bottom of the mash tun and is a liquid known as worts, leaving behind the spent grain known as draff.

Being a farm distillery, we wouldn’t want to waste any of this highly nutritious draff that is left behind in the mash tun so we feed this to the cattle at Kilchoman.

Extracted from Kilchoman Distillery

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