Steep Caramunich II and Spec B grain for 20-30 mins with 3 litres of hot tap water (not boiling).
Strain liquid into a large saucepan. Rinse grain with another 1 Litre of hot tap water into the saucepan, and discard grain.
Add another 2.5 litres of water and 1.5 kg liquid light malt to the saucepan, and bring to the boil whilst stirring.
Add 30g Styrian Goldings hops.
At the end of the 60 minutes, turn off the heat.
Add the rest of the malts, candy sugar and ½tsp nutrient (but not the Dextrose), and stir to dissolve.
Use chiller to bring down temp. to 22°C.
Pour the contents of the saucepan into the fermenter, and top up with water to 20 litres.
Stir vigorously to aerate.
Add yeast and ferment as close as possible to 20°C
On Day 4 of fermentation, add 500g Dextrose to the fermenter, and continue fermentation. Bottle or keg when gravity is consistent over two days.