I boiled because i wanted to take out the color.... After 16h I took it
out, let it cool, rinse, .... and it still colors the water (probably not so
much...)
Just be prepared for some brown-ish water :-)

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Splitskull

"Andy Louie" wrote in message
om...
I heard that you have to boil it first to remove the impurities.. is
it need as they say that it will discolor the water... so by boiling
it it will prevent the aquarium from being colored.. suggestions