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Bystander reacted to DaveC426913's post in the thread What type of lab to go to for testing my home's tap water? with
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Google tapwater testing near me. There's lots of places - building supply stores such as Home Depot have kits for you to send a sample... -
Bystander reacted to Andy Resnick's post in the thread The Secrets of Prof. Verschure's Rosetta Stones with
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Carbonatite, from the Fen complex. This sample has a significant amount of apatite, generally arranged in radiating aggregations of...