I had lost a big bag of rocks collected on the shore of lake erie, finally found them! Can anyone tell me if these are all good to use or will they mess up water chemistry? Also whats the best way to sterilize them?
I also have some fossils i would like to add to the main tank, pic of them
Now ive heard shale isnt very good for your water chemistry, didnt hear why though. It seems like most of the rocks from the shore are types of sandstone, and the fossils and mostly shale w/ the exception of the middle one, which also happens to be the most heavily fossil-ized
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