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.
· EASY TO USE: For water quality tester, pressing "HOLD" button for maintaining reading, pressing "SHIFT" button once for TDS & EC transformations, pressing "SHIFT" button twice for "° C / ° F" transformations.
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.