Hi guys, After 5 extract brews I am thinking to go for mini BIAB using the classic 19L pot. I have two recipes in mind, both all grain, that I want to convert to partial-mash. The recipes are, excluding the hops for simplicity: Recipe 1, from Zymurgy, 21L: - 3.6kg Maris Otter pale malt - 454g quick oatmeal/quick oats - 454g English Crystal malt - 225g Belgian aromatic malt - 795 Agave extract - Yeast: White lab Cry Havoc. OG 1.063. FG 1.016 Recipe 2, clone of the original Little creatures, 23L: - 4.4kg Pale Malt (2 Row) UK (5.9 EBC) - 1.21kg Munich Malt (17.7 EBC) - 330gr Carafoam (3.9 EBC) - 330gr Wheat Malt, Ger (3.9 EBC) - Yeast: Wyeast Labs #1056 OG. 1.057 FG. 1.010 What I think to do. Recipe 1: - 1.5kg LME light (e.g. cooper light) - 1.875 + 454g oat + 454g crystal + 225g Belgian = 3kg in the BAG OG of 1.070 and FG of 1.022 (brewersfriend) Process: All the grain in the bag, mash for 60min. After 60 min, add the LME and the agave extract and start with the hops. I have used the 0.75 ratio for grain-LME from the book "How to brew, Palmer". Should I separate the crystal and aromatic malt for a steeping bag instead mash? Using brewersfriend calc, it gives me a OG of 1.069,FG of 1.022 for the all-gran recipe and a OG of 1.070,FG of 1.022 for the partial-mash. Why? Should I reduce the oats or something? IBU 22 is OK? 19L pot is enough big for mash 3Kg of grain? 12L of strike water is OK? Recipe2: - 3Kg LME light (e.g. cooper light/briess pilsner) - 400g pale malt + 1.2kg Munich Malt + 330g caragom + 330g wheat = 2.250kg in the BAG. Same process than before. Again, using brewersfriend, it gives me a OG of 1.030,FG of 1.008 for the all-gran recipe (2.97ABV) and a OG of 1.049,FG of 1.012 for the partial-mash (4.82ABV). Why is so lower in the all-grain? Any advices in general? Many thanks!