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.
In most cases, the answer is yes. Loaded with many nutrients and vitamins, collard greens can provide some health benefits for kidney patients. That is to say, kidney disease patients can add collard greens into their diet plan unless their potassium level is higher than the normal. Just like most vegetables, collard green is low in sodium and protein, so it usually doesnât cause any burden on kidneys. Therefore, CKD patients can eat this vegetable relievedly. What is more, they can get the following health benefits from the consumption of collard greens.