Category Archives: Educational Articles

How To Calibrate A pH Meter

Learn how to calibrate a meter that is giving you trouble or erroneous readouts. I began a new project today after a temporary┬áhiatus from hydro, and low and behold I noticed that when I put my pH meter into my tap water, which normally rests at 7-9pH, I noticed it read as having a pH […]

TDS, PPM, EC, And What They Tell Us

What is PPM? PPM stands for Parts Per Million, and is a measure of how many particles are in your reservoir water. This helps you know how much of the water is actually water, and how much of it is particles (such as nutrients) floating around in it. There are different names for it; EC […]

How To Start From Seed With Rockwool Cubes

In this lesson, we will learn how to start your own seed with Rockwool Cubes. Below is a detailed guide to success with Rockwool, and a step-by-step video tutorial can be found at the bottom of the page. Preparation Items you will need: Rockwool Cubes Bowl or other container that holds water Ph Balancing Chemicals […]

Hydroponics is not “Organic”, It’s Better

One of the fiercest debates in hydroponics and agriculture in general, centers around what the best way to raise crops in a sustainable, healthy fashion is. Most people nowadays have settled on accepting “organic” produce as the superior product. Let me be clear, organic produce is better than large agro-business produced crops for sure, but […]