Hydroponic micro and macro nutrient sufficiency ranges
When you want to prepare a nutrient solution one of the first things you want to know is which concentration ranges are appropriate for the growth of the specific plant…
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What is the effect of chloride in hydroponics?
I recently wrote a post about the effect of sodium ions in hydroponics and how it is important to keep an eye on sodium levels due to the potentially negative…
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Some things you should know about sodium in hydroponics
Sodium is a ubiquitous element, you can find it in your tap water, in the sea and in most eatable foods. It is also necessary for animal life where it…
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Using UV sterilization in your recirculating hydroponic crop
In general most growers want their hydroponic setups to remain fairly sterile. This is because maintaining a sterile environment discourages problems such as algae growth and can eliminate bacterial and fungal…
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What is an ORP meter and why is it useful in hydroponics?
Hydroponic growers are used to using pH and EC meters to control their growing conditions but very few use ORP meters in order to learn more about their nutrient solution.…
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How to prepare your own solutions for EC meter calibration
On a recent post I talked about how you can prepare your own solutions for the calibration of your pH meter. However hydroponic growers not only need to calibrate their pH…
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Preparing your own buffer solutions for pH calibration
If you are interested in learning how to prepare buffers without needing a previously calibrated pH probe, please read this post. One of the most common tasks that hydroponics growers…
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Automating a hydroponic system: Sensors and monitoring
Hydroponic systems benefit greatly from gathering more information as this gives the grower the ability to better diagnose problems and better understand the evolution of their hydroponic crops. Usually growers…
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Is ortho-silicic acid worth the additional expense in hydroponics?
Silicon is all the rage right now and different silicon product manufacturers are racing to produce commercial products that contain more and more biologically active silicon. The idea is mainly…
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Nitrate, Ammonium and pH in hydroponics
The stability and variability of pH in hydroponic solutions has always been a complicated topic to discuss. There are many reasons why pH may change in a hydroponic system, ranging…
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