Islay Distilleries Factfiles

Content derived from information within the book "Peat Smoke and Spirit",
a portrait of Islay and it's whiskies, by Andrew Jefford

    Ardbeg Bowmore Bruichladdich Bunnahabhain Caol Ila Lagavulin Laphroaig
Malt Type   Optic Optic Optic & organic Chalice Optic Optic Optic Optic
Malt Specification Phenols   54 ppm  av 25 ppm av Bruichladdich: 3 - 4 ppm
Port  Charlotte: 40 ppm
Octomore: 129 ppm
Bunnahabhain: < 2 ppm
new peaty spirit: Not analysed
Caol Ila: av 35 ppm
Caol Ila Highland: 0 ppm
Av 35 ppm Port Ellen malt: av 40 ppm
Laphroig malt: av 43 ppm
Finished Phenols   23 - 24 ppm av 8 - 10 ppm av Bruichladdich: trace
Port  Charlotte: 20 - 25 ppm
Octomore: 46.4 ppm
Bunnahabhain: trace
new peaty spirit: Not analysed
Caol Ila: av 12-13 ppm
Caol Ila Highland: 0 ppm
Av 16 - 18 ppm 25 ppm
                 
Washback Charge   23,500 lt 40,000 lt 36,000 lt 66,500 lt 54,000 lt 21,300 lt 42,000 lt
Washback Construction   Oregon pine Oregon pine Oregon pine Oregon pine Oregon pine Larch Stainless steel
Yeast   Mauri Cultured Mauri &  Quest cultured (75/25) Quest cultured to start
Mauri cultured to finish
Quest cultured Mauri Cultured Mauri &  Quest cultured (50/50) Mauri Cultured
Amount of Yeast   75 kg 100kg 150 kg 250 kg 150 kg 50 kg 125 kg
Length of Fermentation   65-68 hrs (Week)
96 hrs (Weekend)
48 hrs (Week)
62 hrs (Weekend)
60 hrs (Week)
106.5 hrs (Weekend)
63 hrs (Week)
80 hrs (Weekend)
80 hrs (Week)
120 hrs (Weekend)
55 hrs 55 hrs (Week)
90 hrs (Weekend)
Intial Fermentation Temperature   20° C (16° Weekend) 19° C 21° C 20°C (18°C Weekend) 16°C 18°C 18 - 19°C
Wash %   8% ABV 7% ABV 6-7% ABV 6.5 -  8.5% ABV 8% ABV 8.9% ABV 8.5% ABV
                 
Wash Still                
Capacity   18,279 lt 30,940 lt 17,275 lt 35,356 lt 35,345 lt 12,300 ltr 10,500 lt
Charge   11,700 lt (64% of capacity) 20,000 lt (65% of capacity) 12,000 lt (69% of capacity) 16,625 lt (47% capacity) 18,000 lt (51% capacity) 10,500 lt ( 85% capacity) Not supplied
Heat source   Steam coil with heating pans Steam coil with heating pans Pans & single steam coil Steam pans Steam pans Steam coils & pans Steam Pans
Height   12 ft 3 in (3.73m) 20 ft 8 in (6.3m) 21 ft 6 in (6.55m) 25 ft  10 in (7.87m) 23 ft (7 m) 22 ft 6 in (6.89m) 19 ft 8 in (6.02m)
Shape   Lamp glass Plain Plain Plain Plain Plain Plain
Lyne arm   Very  gently rising Straight Gently descending   Gently descending (10°) Steeply descending Ascends
Length of low wines run   5 hours approx 8 hrs approx 4.5 - 5 hrs 5 hrs 4 hrs 4 hrs 6 hrs
Low wines collection range   46% to 1% ABV 46% to 1% ABV Av 22.5% ABV 46 -0.5% ABV 42 - 1% ABV 50 - 1% ABV 45 - 1% ABV
                 
Spirit Still                
Capacity   16,957 lt 14,750 lt,  14,637 lt 12,274 lt 15,546 lt 29,549 lt 12,900 lt  
Charge   13,660 ltr (81% capacity) 13,500 ltr (92% capacity) 7,100 lt ( 58% capacity) 9,000 - 9,600 lt (60% capacity) 11,000 - 12,000 lt (37-41% capacity) 12,200lt (95% capacity) 4,700 lt & 9,400 lt
Strength of charge   25% ABV 27% ABV 27% ABV 26% ABV 28% Abv 25% ABV 26% ABV
Heat source   Steam coil with heating pans Steam coil with heating pans Heat pans & 2 steam coils Steam pans Steam coils Steam coils Steam coils
Height   12 ft (3.66 m) 19 ft (5.8m) 20 ft 6 in (6.25m) 20 ft 10 in (6.35m) 20 ft (6.09m) 18 ft 10 in (5.73m) SM. 14 ft 5 in (4.4m) Lge 17 ft 9 in ( 5.41m)
Shape   Lamp glass Plain Plain ( goose neck) Plain Plain Plain Lamp glass
Lyne arm   Very  gently rising 1 rises 10°, 2 rises 5° Gently descending Straight Very gently descending (5°) Gently Descending Ascends
Purifier   Yes No No No No No No
Length of Foreshot run   10 minutes approx 15 mins approx 40 ins approx 10 m ins approx 25-30 mins 30 mins 45 mns, all stills
Length of spirits run   5 hrs 15 mns approx 2.5 to 3 hrs 3 hrs approx 2-3 hrs 2.5-3 hrs 5 hrs SM 2.25 hrs, Lge 3.5 hrs
Length of Feints run   3 hrs 30 mins approx 3.5 to 4 hrs 3hrs 10 mins approx 3 hrs approx 30-3.5 hrs 4 hrs 30 mns 2 hrs, all stills
Spirit cut   73% - 62.5% ABV 74% - 61.5%  ABV Varies. ON 76 - 71% ABV
OFF 64% ABV
72 - 64%, new peaty spirit or
72 - 61.5% ABV
75 - 65% ABV 72 - 59% ABV 72 - 62.4% ABV
Distilling strength   69.5% to 70.5% ABV 68.8% ABV average 72% ABV 68.5% ABV 70.5% ABV average 68.5% ABV 67.5% ABV
Storage strength   63.5% ABV 63.5% ABV 72% ABV 63.5% ABV 63.5% ABV 63.5% ABV 63.5% ABV
                 
                 
Average spirit yield   402.1 lt of pure Alcohol/tonne of malt 408 lt of pure Alcohol/tonne of malt 401 lt of pure Alcohol/tonne of malt 409.5 lt of pure Alcohol/tonne of malt 403 lt of pure Alcohol/tonne of malt 405 lt of pure Alcohol/tonne of malt 406 lt of pure Alcohol/tonne of malt
Type of casks   50% first fill bourbon (Jack Daniels) 71% first fill  American oak barrels 65% first  fill bourbon barrels 90% first  fill bourbon barrels 100% second & third fill American oak 99.5% third fill American oak hogsheads 100%  first fill bourbon, mainly  ex Makers Mark air dried wood barrels
    50% second fill bourbon 15% remake American oak hogsheads 25% first fill sherry hogsheads 10% first fill & second fill sherry casks   0.5% third fill sherry butts  
    Very little sherry 14% first fill sherry butts Balance- rum & wine casks        
Major blends   Ballantynes, Teachers, Black Bottle Black Bottle, Rob Roy, Islay Hallmark Black Bottle Cutty Sark, Black Bottle, Famous Grouse, Scottish Leader Johnnie Walker range, Bells, Black Bottle None, small role in White Horse Ballantynes, Teachers, Long John, Islay Mist

This spreadsheet summary
Copyright © 2007 Mal Taylor
taylormc@bigpond.net.au
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