Rocks From The Yard????

  • We are currently upgrading MFK. thanks! -neo
I agree. Just wash them thoroughly.
 
Thankyou for the information everyone!
I collected a fairly big rock from my yard and poured vinager on it...didnt fizz or anything. Then i boiled it for a good half hour.
So I think ill just add that to the tank and hope for the best.
Thanks!
 
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