I split my 11 gallons of 1.057 OG wort into three fermentations; Trappist Abbey Ale, ESB, and London Ale. For the sake of the Abbey, I hopped fairly lightly in the boil, about 25 IBU's. After the primary stage is done, I'm going to dry hop the ESB and London Ale to get them closer to style. I have about 3 1/2 gallons in each Better Bottle. I'm using 2 ounces of home grown Fuggles, unknown strength, maybe about 5%, in each. Any estimates on the approximate IBU increase I would see with that? Would you use more? As I won't be racking to a secondary carboy, I want to use a hop bag and submerge the hops into the primary with a sanitized poker of some sort. Then, I'll let them sit at room temp for at least another week before moving them into refrigeration. Any risk with contamination there? Could I let them sit longer at room temperature? Would you use a hop bag?