Pleased to report that Adnams Southwold bitter yeast starter finished very quickly and floculated really well.
Day 4. Yeast settled down very nicely.

Day 4. Pic angle trying to show amazing clarity.
Thinking of using this recipe ASAP with this yeast.
Unfortunately I have no pale malt at the moment, or first gold, ...
Spring Glory 24L
Date: March 2013
Gyle Number: 77
Fermentable Colour lb: oz Grams Ratio
Lager Malt 2.5 EBC 11 lbs. 0.4 oz 5000 grams 98%
Chocolate Malt 1050 EBC 0 lbs. 1.8 oz 50 grams 1%
Crystal Malt, Dark 300 EBC 0 lbs. 1.8 oz 50 grams 1%
Hop Variety Type Alpha Time lb: oz grams Ratio
Challenger (FWH) Whole 8.1 % 90 mins 0 lbs. 1.2 oz 35 grams 46.7%
Golding Whole 5.1 % 10 mins 0 lbs. 0.7 oz 20 grams 26.7%
Fuggle (70C) Whole 4.3 % 0 mins 0 lbs. 0.7 oz 20 grams 26.7%
Final Volume: 24 Litres
Original Gravity: 1.048
Final Gravity: 1.011
Alcohol Content: 4.8% ABV
Total Liquor: 37.2 Litres
Mash Liquor: 12.8 Litres
Mash Efficiency: 75 %
Bitterness: 33.5 EBU
Colour: 25 EBC
Yeast Starter:
Southwold bitter mini keg yeast 0.5 L