Looking For Long-Lasting Grounding/earthing Mat

edited August 2016 in Sleep

Is there a good earthing mat? The earthing.com warranty is 90 days, and there's a review on youtube about it not working after a year. They offered to replace it for 30$. On an amazon review, someone mentions that they would replace it for the shipping cost.


 


I do have a low voltage digital multimeter to verify if it's working.


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