This bottle is usually paired with EHM’s water pitcher and filters but could be purchased separately. It tests water (or any other apparent liquid) from a pH of 4 to 10. I like to recommend obtaining the 1st kit because it permits you to properly test liquids while in the https://my-keurig-doesn-t-have-a55554.blog2learn.com/67187207/shower-head-with-water-filter-an-overview