Copper Free Test Kit,CU-5

Copper may exist in natural waters and effluents as a soluble salt or as suspended solids. A small amount is essential for plants and animals, and concentrations exceeding 0.1 mg/L are useful for controlling algae and plankton growth. Quantities ranging from 0.02 to 0.1 mg/L are toxic for some fish, so its use for treating fish disease requires careful monitoring. Range: 0.1 - 4 mg/L; contains 100 tests.

Simple, low-cost color disc method is the most accurate visual test kit method
Kit contains all required reagents and apparatus in a rugged carrying case for analysis in the field