CaCl2 - 10g
Hops for no longer than 45min (to completely avoid astringency).
Otherwise use any top quality pale ale malt augmented for color by 0.5 pounds (approximately 225 grams or about 2 cups) of Briess Victory at 25–30 °L or Weyermann CaraAmber at 23–31 °L.
These malts will also contribute a touch of bready, biscuity flavor to the brew
de-husked Weyermann Carafa Special Type III at 488–563 °L) for color and flavor. Crisp’s roasted and caramel malts are also good choices. Scottish ales are invariably opaque.
lots of yeast slurry but keep the temp low (preferably 13C)
Ale fermentation at this low temperature (10C) keeps the level of esters, higher alcohols and other byproducts of yeast metabolism low, which accounts for the beer’s clean taste
Yeasts used in Scottish ales must also be fairly low attenuators and efficient flocculators so that the fermentation stops at a relatively early stage and some residual sweetness is preserved after the first racking
Heat-exchange immediately to 55 °F (10 °C), aerate and pitch the two packages of yeast (or a starter).
I got 35L of wort at 1.051. Eff = 80%. 28L cooled to 12C, inoculated with plenty of yeast. The rest boiled down to 2L and added on fifth day of fermentation.