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.
Water quality of seawater, fresh water, rivers, etc. Polarographic film dissolved oxygen electrode. Dissolved oxygen: ±0.3mg/L. This tester should work with dissolved oxygen filling solution. Freshwater shrimp and crab farming, marine aquaculture testing.
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.