11-15-2011, 01:22 AM
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Caffeine is not the only chemical in coffee. There are over a thousand chemicals in roasted coffee. Have you accounted for all of these, and their effects on fish? Have you considered insecticide residue? Some of the chemicals have even been found to be carcinogenic in rats. Please don't make your fish into test subjects just for the sake of recycling some grounds!
In addition, its much better for the environment to care for your fish in the first place. Think of all the resources used to breed fish, raise fish, transport them to the store, and then care for them until they are purchased. Its much more green to keep them healthy!
There are many fabulous ways to recycle grounds. They make great fertilizer as is, or you can soak them in water for liquid fertilizer (for terrestrial plants). Phosphorus is gold, you shouldn't waste it. Grounds also keep ants away and take oders from your hands. These are just a few uses, a quick google search will turn up more!
Last edited by MinaMinaMina; 11-15-2011 at 01:26 AM..