Growing Tips Selecting the Right Water Source
The best water for hydroponics has no contaminants, an EC close to 0 millisiemens and a pH of 7[1]—a level of purity that makes it easy to provide everything plants need without risk of toxicity.
Unfortunately, most water sources are not this pure. Some contain high concentrations of sodium or iron, which can be harmful to plants and are hard to manage in hydroponics. Water containing chloride can be especially challenging; issues can arise at just a few parts per million. …
