Mash in 1.8L @ 45C (.6L/kg)Hold for 15mins
add .9L @ 100C = 2.7L @ 58C hold for 10mins
remove .5L to second pot and heat to 82C
add .8L @ 100C = 3L @ 66C hold for 30mins
remove 1.5L to second pot (2L) and heat to 82C
add .6L @ 100C = 2.1L @ 72C hold for 30mins
raise 2nd pot to 85C and return to main pot
= 4.1L @ 77C
sparge with 10L of 88C water
boil for 3 hours with aged hops - top up with water to make 12L
pitch sour beer slurry @ 20C - ferment for a year
? 1/2 straight lambic for later blending into oude gueuze
1/2 with 2-300g grapes (Martin's riesling?)