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I was cleaning my insert this morning and found a couple of pieces that looked like lava rock. Very light and airy. Sounded almost metal when the shovel hit them. Any idea what this is from?
Happy Thanksgiving!
I was cleaning my insert this morning and found a couple of pieces that looked like lava rock. Very light and airy. Sounded almost metal when the shovel hit them. Any idea what this is from?
Happy Thanksgiving!