Looking for suggestions to help solve my low OG issue. My last two brews I didn't hit my OG numbers, not even close. I've been all grain brewing with 4 batches under my belt. First two, great; last two, way off. Final results, interestingly, was still tasty beer, but I'd like to solve the problem. There are a couple of things I did wrong and am adjusting and they are: I was experimenting with my herms system and my mash temp was about 5 degrees higher than the recipe called for and second, I ordered the grains milled (didn't mill myself). I'm no milling expert, but I definitely get a finer product when I mill versus what I received when ordered. I can 'fix' both of these on the next batch, but any other suggestions for things I should be looking for?