Are there any uses for the sediments after a boil or fermentation?
Funny you should ask this. I was just listening to a podcast from The Brewing Network, and they asked Shawn Paxton (homebrewchef.com) about other uses for the spent grains, yeast and hops, and other than "spent grain bread" which basically adds just fiber if you've mashed efficiently, he had nothin'. I give my spent grains to a friend who has pigs, and I think you could harvest some yeast to make a sourdough starter, but I think the rest is pretty much compost.
I have an interesting use for spent grain!
I dehydrate and dry the spent grain on a pallet and window screens in my back yard. When the grain is dry, add it to a garden and rake it into the surface. The grain will accomplish a few pretty amazing things:
It has vitamins and can act as a fertilizer but more importantly it is a completely natural herbicide (weed killer). The grain decomposes into the soil and promotes the growth of many healthy microorganisms. These microorganisms will eat away at most weeds. I have been adding grain to my garden all year and we have not had any weed issues. I learned this science from a book called: Alcohol Can be a Gas by David Blume. He does this with distillers grains but it works the same way.
why dry it? Couldn't you just add it wet if it is going to get wet again and decompose anyway?
If you're really cheap, you can throw the dry hop from the previous batch into the boil of the next to get some bittering out of it...
WissaBrewGuy said:I have an interesting use for spent grain! I dehydrate and dry the spent grain on a pallet and window screens in my back yard. When the grain is dry, add it to a garden and rake it into the surface. The grain will accomplish a few pretty amazing things: It has vitamins and can act as a fertilizer but more importantly it is a completely natural herbicide (weed killer). The grain decomposes into the soil and promotes the growth of many healthy microorganisms. These microorganisms will eat away at most weeds. I have been adding grain to my garden all year and we have not had any weed issues.
Similarly, I recall my botany professor telling us that hops can be used in flower beds and gardens as a natural bug repellent. I mixed it in all my gardens this year and got amazing results. For some reason, the slugs REALLY did not like it.
Pellets.
Either would work, all I do is use the gunk in my strainer and bottom of kettle afterwards. Usually around a cup or so and then just dump it and trowel into the soil.
Again, it could b effective with only certain critters, but the slugs avoided it for sure!
seph said:I pour the trub from my fermenters down the drain. Having a septic system, the yeast helps to break down the solids in the septic system.
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