API Copper (Cu+) Test Kit - Monitor Copper While Medicating Aquarium Maintenance Females are generally smaller than

Females are generally smaller than males

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API Copper (Cu+) Test Kit - Monitor Copper While Medicating Aquarium Maintenance Females are generally smaller thanCopper, a common treatment for many parasitic infections, must be monitored in an aquarium or a pond. The copper level can drop too low for the treatment to be effective, or can increase to a point that is detrimental to fish health. Copper may even be present in your tap water. This kit allows you to easily and accurately monitor copper levels to maintain copper based fish treatments at therapeutic levels. Tests copper levels from 0 to 4 ppm.