As a grower, you have to find the Goldilocks zone of nutrient strength to help your plants grow properly. You'll get to know that growers use TDS, EC, and PPM to measure this. Let's explain what they are, and how they affect your nutrient quality.
When doing hydroponics or gardening in general, you have to think about all the different inputs that your plants need to thrive. Of these, water might seem like the simplest to secure, since it is available right in our homes.