API COPPER TEST KIT 90-Test Aquarium Water Test Kit
![API COPPER TEST KIT 90-Test Aquarium Water Test Kit](http://www.lotsofpets.com/cdn/shop/products/41CmxbrRlvL._SL500_{width}x.jpg?v=1610557960)
Test reads 0 to 4 mg/L or parts per million (ppm) of copper. Helps to maintain a healthy aquarium or pond for fish by ensuring that copper (a common treatment for many parisitic infections) levels are within the healthy range.