Last two batches:
Estimated SG = 1.062, reading pre boil, 1.040
Estimated SG = 1.049, reading pre boil, 1.030
Batch 1 (12 lbs grain) mashed with 4 gal, then sparged with 5.5 gallons, 7 gallons wort collected.
Batch 2 ( 10 lbs) mashed with 3.25 gal, then sparged with 5.75 gallons, 7...