Coffee anyone? - Page 2 - The Planted Tank Forum
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post #16 of 25 (permalink) Old 01-25-2008, 07:05 PM
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Myself, I'd advise against this. I collect my coffee grounds and then take them outside to put in my own garden. If I get lazy and wait too long before emptying my bucket outside there are plenty of strange looking molds growing.

I also know with the Soil based tanks they recommend that you use plain topsoil - not soils overly rich in humus or organics. Too much decomposition can create bad gasses in the soil layer.

If you still want to use coffee grounds I would never try it as the only substrate. Maybe you could try a soil tank with the grounds as 10% of the soil mix, Still capped with inert PFS or gravel to keep it from entering the water column too quickly.
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post #17 of 25 (permalink) Old 01-26-2008, 01:21 AM Thread Starter
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I was thinking about experimenting with a coffee ground/gravel mix in peat pots per my experiment with peat pots...

here's the thread (https://www.plantedtank.net/forums/su...peat-pots.html)

I am full aware of what happens to coffee grounds that stay damp too long (I left a filter in the maker for 3 weeks one time and forgot about it...needless to say I had an entire civilization growing in there).

I'm just experimenting, and I have plenty of common guppies at my desposal. I keep them breeding so I can have live foods for breeding bettas, gourami's and killies...although I do select the prettiest ones and put them in my main tank...

Anyway, so it's at least worth a try...

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post #18 of 25 (permalink) Old 02-03-2008, 12:14 PM
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I'd be very careful and try this on an isolated experimental tank. As someone who drinks a lot of coffee (like right now), I can tell you that coffee often has a shiny oil slick on the top of it. Supposedly, it dissolves in water and is not really an oil.

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post #19 of 25 (permalink) Old 02-03-2008, 12:40 PM
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Well, it's not oil as in petroleum (which you obviously know, hehe), but it is oil in the sense that it's "essential oil" of the coffee bean itself. The more oil, the better your coffee... or it's flavored with oils from the supplier.

I agree with those that suggest against it, the grounds are used as a soil amendment more so than anything else, the actual level of coffee grounds in the soil once mixed is pretty low. Definitely be careful when experimenting.
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post #20 of 25 (permalink) Old 09-16-2020, 02:25 PM
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How did the experiment go ?
Did the fish survive?
Hope you would answer. I know it's been decades......
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post #21 of 25 (permalink) Old 09-16-2020, 05:35 PM
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Any answers?

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post #22 of 25 (permalink) Old 09-16-2020, 06:28 PM
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This is a fun necro!

I actually read about this guy in the news. His coffee experiment was successful. As it turns out, fish are a lot smarter than we think, and given enough extra energy this guy managed to teach his to herd his shrimp into spelling dirty words for likes on the internet. Then it all turned for the worse. One fateful night, the fish all met underneath the not so realistic blue moonlighting, and unionized for better working conditions. Last I heard, the owner is now chained to the column in his basement producing Spirulina tablets and Tubifex worms for his new masters.
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post #23 of 25 (permalink) Old 09-16-2020, 07:31 PM
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Quote:
Originally Posted by jellopuddinpop View Post
This is a fun necro!



I actually read about this guy in the news. His coffee experiment was successful. As it turns out, fish are a lot smarter than we think, and given enough extra energy this guy managed to teach his to herd his shrimp into spelling dirty words for likes on the internet. Then it all turned for the worse. One fateful night, the fish all met underneath the not so realistic blue moonlighting, and unionized for better working conditions. Last I heard, the owner is now chained to the column in his basement producing Spirulina tablets and Tubifex worms for his new masters.
Omg, thats incredible i would like to know the sources and study about it if u can provide so

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post #24 of 25 (permalink) Old 09-19-2020, 12:32 AM
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post #25 of 25 (permalink) Old 09-19-2020, 01:26 AM
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Originally Posted by Kubla View Post
?

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