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I bought a premade "all natural" coconut cave today and I know you should boil them to release the tanins, anyone know how many times you should boil it before it is "safe" to put in your fish tank? I'm on pot 6 of fresh water now and it's still pretty dark when I am done 
(I know I could have made one DIY cheaper, but don't have the proper tools)
(I know I could have made one DIY cheaper, but don't have the proper tools)