1 In general, the total dissolved solids concentration is the sum of the cations (positively charged) and anions (negatively charged) ions in the water. 2  Parts per Million (ppm) is the weight-to-weight ratio of any ion to water.  A TDS meter is based on the electrical conductivity (EC) of water.
Collard greens may be worth considering for health additions to your diet. These dark-green leafy vegetables provide iron, vitamin K, folate, calcium and the antioxidants lutein and zeaxanthin. They may even help you prevent gout or reduce your symptoms when you eat collard greens in moderation as part of a healthy diet.
Collard Greens are a large leafy green that can be used in a number of dishes and is part of the cruciferous family of vegetables. It grows as a large, dark colored, edible leaf in a variety of areas. Brown the ham in a tiny bit of oil in a large pot. 2  Remove the cooked ham from the pot and set it aside. 3  Add hot water or broth, greens, 1 tablespoon vegetable oil, salt and pepper to the pot. 4  Cover and cook over medium heat for 5 minutes.