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.
Growing and Eating Collards. Collards are greens, greens are collards. (But there are other kinds of greens, too.) They are fundamental to Southern food, because they are nutritious and pretty convenient to grow. In Georgia, you can harvest or buy local collards every month but July, August, and September. And youâll want to plant collards in February, March, August, [â¦]