How to read the API 5 in 1 Test Strips
With the API 5 in 1 Test Strips, you will be able to measure the nitrate, nitrite, pH, KH and GH levels in your tank water. To see how you can properly read one of these sticks, you can take a look at this tutorial from Aquarium Blueprints. 1. For the first step, we recommend … Read more