Brewed Northern Brewer Extract Imperial Stout kit that's been in the primary for 5 weeks. Fermented at 60 degrees ambient for 3 weeks and then 68 ambient for last two weeks. OG was 1.088 after 3 weeks gravity was 1.035. Moved it to warmer place and after 2 more weeks in primary gravity was about the same. According to on-line gravity calculators the FG should be 1.025. Wondering what the next step should be.............pitch more yeast, if so, the same strain or just some dry (clean / neutral) yeast to help it finish..........keep waiting........or move to secondary and let it sit for a month or so before bottling. Thanks in advance. Recipe as follows: Steeping grains .5 lb Roasted Barley .5 lb English Black Malt .5 lb English Choc Malt LME 12 lbs Dark Malt syrup ( 6 lbs @60 min and 6lb at 15 min) Hops 1.75 Summit @ 60 2 Cascade @ 0 Yeast WLP 028 Edinburgh pitched to a 1 liter starter
1.025 would be almost 72% apparent attenuation. That's pretty ambitious given the recipe. Most calculators suck at predicting attenuation, because they don't take fermentability of the specific wort into consideration. It might be done. When you say gravity was "about the same," had it moved at all?
If you brewed a 5-gallon recipe for which your gravity readings are calculated, can you validate that you have 5 gallons of liquid in that fermentor? Less liquid than planned will give you a higher gravity reading.