Fritz Mardel Coppersafe 16oz Bactershield since it is natural seawater

since it is natural seawater with the correct and well-known concentrations of all dissolved salts

Reference Standard [Sr]:

the use of a timer and automated doser to control protein skimming and dosing is a simple and effective means of accomplishing this

as fast as possible

Active Components: Chelated Iron (proprietary form)

Fritz Mardel Coppersafe 16oz Bactershield since it is natural seawaterFritz Mardel Coppersafe is a safe, stable, and non staining chelated copper concentrate delivering relief from unwelcome parasites. Proves effective treatment and control of Fresh and Saltwater Ich, Fresh and Saltwater Velvet, and other external parasites, including flukes and anchor worms. The long lasting formula only requires one dose to maintain a therapeutic level for up to one month in the aquarium. Long Lasting Formula No Repeat Doses