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So I have a little dilemma. I was gifted with some lava rocks and they look fantastic, extremely porous and full of character. However, they are really, really light, not in colour but in weight. So light in fact that they float.
Yup, I have rocks that FLOAT!!!
I mean seriously, my rocks float. Has this happened to anyone else, if so what do you? Can they be sunk like driftwood? If not, I guess I'll either use them in the garden or I'll grind them down and use them as a plant substrate. Provided that they will sink when ground up.
Any assistance would be appreciated.
Yup, I have rocks that FLOAT!!!
I mean seriously, my rocks float. Has this happened to anyone else, if so what do you? Can they be sunk like driftwood? If not, I guess I'll either use them in the garden or I'll grind them down and use them as a plant substrate. Provided that they will sink when ground up.
Any assistance would be appreciated.