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leftover brewed coffee?

 
Posts: 151
Location: Scotts Valley, California Zone 9B
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dog trees bee
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Like many folks I save my coffee grounds and pick them up from shops whenever I can. But I am wondering now about that little bit of coffee that is always left in the bottom of the coffee pot around our house. Does it still contain any nutrients that would be of use in the garden? I was thinking I could dump it into another one of my jugs and maybe even add stuff to it to brew some kind of tea? Or not?

I just hate tossing something down the drain that might be useful.
 
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Location: Swanton, MD
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I pour it in the grey water tank that is plumbed to a drip irrigation system.  It is diluted with a 55 gallon mix of rainwater, pee, etc.
 
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Location: Ontario
forest garden bee solar
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Great question. I have wondered the same thing myself. I will sometimes add leftover coffee to a bucket of water and let it sit overnight before adding it to the garden. I am not sure if I am accomplishing anything. I do the same thing with the leftover water after boiling vegetables. Can anyone confirm if this is a productive thing to do or just a waste of time?
 
Susan Taylor Brown
Posts: 151
Location: Scotts Valley, California Zone 9B
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dog trees bee
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Nancy, yeah, I was thinking of it a bit like greywater too but our system is a closed system not anywhere close to where the coffee is. I don't want to dump it down the shower either because it will stain the tile.

John, I was sorta thinking along those lines too. I was thinking of just dumping it in a water can until it was half full, adding water, and then watering with it but not sure if it is worth it.

 
steward
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Location: Currently in Lake Stevens, WA. Home in Spokane
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Used coffee grounds are nearly pH neutral.
Most of the acidity is in the liquid coffee.

Use it to water acid loving plants.

 
pollinator
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What? Toss out perfectly good coffee? Pour it into a jug to place in your fridge and start an iced coffee stash in your fridge. Especially in the summer having an iced coffee option can be really nice. I have found I often have to make fresh coffee just to fill my iced coffee jug because I am using that more than hot coffee.
 
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