My English Ale, an example of batch sparging, for the theory, click here

Recipe

4kg Marris Otter Pale Malt    290g Crystal Malt    200g Wheat Malt    250g Demerera Sugar    45g East Kent Goldings Hops (3.8% aa)    15g Fuggles Hops (4.95% aa)    22g Safale 04 yeast (Whitbreads)

90 min mash at 67 deg c    grain liquor ratio 3:1    ph 5.3     Batch sparge     Original Gravity 1040    Final Gravity 1010    Attenuation 75%    ABV% approx 4%    IBUs approx 30

Method (click the thumbnails to enlarge)

Heat the mash liquor to a strike heat of 72 deg. LP false bottom.jpg (11262 bytes) Prepare crushed grains grains.jpg (27729 bytes) and mix them into the mash liquer (doughing in).doughing in.jpg (13161 bytes) Adjust the mash

temperature to 67 deg c mashtemp.jpg (11909 bytes) Adjust the ph of the mash to approximately 5.3 ph adjustment.jpg (13022 bytes) then cover the mash tun and leave for 90 mins for the enzymes in the malt to

 convert the starches to maltose and dextrin sugars and create the sweet wort.

Heat 30L of water to 85 deg c, once 90 mins is up add enough hot water batch01.jpg (13142 bytes) to produce 15L of (collectable) sweet wort in the mash tun, mix in well and allow the grains to settle. recirc01.jpg (12056 bytes) run off a few pints into a jug and return it to the mash tun to filter out any loose grains recirc02.jpg (13471 bytes) When the sweet wort is clear continue to run it off into a collection vessel (lautering).runoff01.jpg (14621 bytes) Allow the mash tun to run dry and refill it with 15L of hot water, stir in well and allow the grains to settle once more batch02.jpg (14975 bytes) repeat the run off process above until the sweet wort runs clear. Place the boiler underneath and run off the second batch of sweet wort into it,runoff02.jpg (9129 bytes) the wort from the first

 collection vessel can also be run off into the boiler at this point.runoff03.jpg (14594 bytes) Switch on the boiler and bring the wort to the boil.boil01.jpg (9689 bytes)

Hold back any wort that wont fit in the boiler and add it as the volume decreases due to evaporation. After the initial foaming of the wort has died back, add the hops.hops01.jpg (15516 bytes)

 Boil for 90mins to extract the bitterness from the hops. After 75min put the immersion chiller in to the boiler and add copper finings.

 

At 90 min switch off the boiler and add 5-10g of hops to restore hop aroma and flavours lost during the boil. Turn on the immersion chiller, allow the wort to cool to 25 deg. Run off the

 bitter wort .boilerrunoff01.jpg (13611 bytes) into the a fermenter. Allow to aearte as it falls, this will add oxygen to aid fermentation.boilerrunoffo2.jpg (12905 bytes) The spent hops and proteins trub01.jpg (14852 bytes)

 precipitated out during the boil remain in the boiler, held back by the hop strainer. More Details on batch sparging can be found here.

 seen here.hopstrainer.jpg (32958 bytes)  Check the gravity hydro01.jpg (27949 bytes) Add an active culture of yeast to the fermenter active_yeast.jpg (17662 bytes) Fermentation starts in a few hours yeasthead.jpg (11045 bytes) and

forms a yeast head on top of the beer. After fermentation is complete rack the beer into a secondary fermenter and add finings, allow to fall bright and rack to a keg. kegging.jpg (16913 bytes)

Bottle remainder for sampling, left bottle contains the finings and sediment.finings.jpg (58633 bytes) Seal the keg carbonate to 12 psi and allow to mature.conditioning.jpg (62505 bytes)

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