Category Archives: Educational

Converting between concentrations: NPK percent, mg/L and ppm.

Descriptions of liquid fertilizers often mention the concentration. This could be as milligrams per liter (mg/L) or parts per million (ppm). It could also be indirectly expressed as percent mass (% or NPK). Thankfully, converting from one to another is a … Continue reading

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Hydro pH Levels

Hydro pH Level Introduction Understanding why pH levels are important in hydroponic gardening doesn’t need to be difficult or complicated. Nearly everyone has some familiarity with acids, bases and pH through everyday life. For example, swimming pools are periodically tested and … Continue reading

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Temperature and Dissolved Oxygen in Hydroponics

An introduction to temperature and dissolved oxygen in Hydroponics: In order to maximize plant growth hydroponically, it’s necessary to balance factors that are often interrelated. This is the case for the nutrient solution’s temperature and capacity for dissolved oxygen. This requires … Continue reading

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