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ORP negative potential ±1999MV. Salinity 0-20%. 2, TDS value 0-200000ppm. The specific gravity of S.G seawater is 1.000-1.222. H2 hydrogen rich 0-2400PPb. EC value 0-200000㎲/cm. 1x 7 In 1 Tester Pen. PH value 0-14.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.