Are you using your API Nitrate Test Kit correctly? We've found that a lot of our customers and probably many other fish keepers are using their API Nitrate Test Kit incorrectly - don't feel bad or embarrassed, the fact that you've got the test kit is great. Below is a video of Andy using the API Nitrate Test Kit correctly with step by step instructions. In the comment section will be a video of Andy using the API Nitrate Test Kit incorrectly - you will be able to see how much the test results va