If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.Getting pre-crushed grains from the HBS seem to be finer than what the Grainfather likes, and the Grainfather water calculator doesn’t calculate for this level of water absorption, so the pump starts cavitating and the sparge gets stuck. The sparged beer had a post boil OG of 1.060. The sleek look, user friendly, intuitive design, and innovative features, make this your perfect brewing companion for both experienced and beginner all grain brewers. The Grainfather default is just below at 0.0959 gal/lb, but the Grainfather Mash And Sparge Water Calculator default is 0.1 gal/lb. Calculate the Mash & Sparge Water for your homebrew. The Grainfather, is your all in one brewing system, to make beer from grain. Because there isn't many variables to play with - just three, the amount of grain, the grain absorption, and the mash tun deadspace (which is about 3.5L - sometimes see the US unit conversion of 3.41L - for a Grainfather, and this is "recoverable" because the mash tun is the boiler so it isn't a mash tun "loss"). I have just started my grainfather journey and have been looking at some of the recipes. For example, for a mash thickness of 1.25 qts./lb. Experts like John Palmer suggest that an ideal water-to-grain ratio in a mash is 1.5 quarts per pound of grain. If this is different this will result in a different volume for the mash and a resulting different volume for the mash water. Some reports are as high as 0.2 gallons per pound. If you want to change that parameter, it's in Options > Advanced. Please use in conjunction with your all grain recipe kit instructions, if you have one. It's a bit pricey but it's well built and produces up to six gallons of tasty suds. Computes all of the following: ABV, IBU, SRM, OG, FG. Grain Absorption Constant (gal/lb): The number of gallons of water absorbed per pound of grain during the mash. The mashing profile in Beersmith has to be reworked though.
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