How to make your own stabilized mono-silicic acid for use in hydroponics
Please follow this link, for an updated an easier process for the synthesis of mono/ortho-silicic acid. During the past several years, there have been a lot of “mono-silicic acid” products…
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HydroBuddy coming to Android, free and open source!
The Hydrobuddy open source hydroponic nutrient calculator – which has been used extensively by both professional and amateur growers for the past 11 years – is finally making the leap…
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Calibrating a capacitive moisture/water content sensor for hydroponics
As I’ve mentioned multiple times in my blog, moisture sensing is one of the most important measurements in a hydroponic crop that uses a significant amount of media. It allows…
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Properly positioning temperature and humidity sensors in a hydroponic growing environment
Temperature and humidity are two key variables you need to measure. They are important because they determine how your plants will transport water, and transpiration controls a lot of processes,…
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Making the most out of your hydroponic setup’s logged sensor and control data
If you have a hydroponic crop with a data logging and automated control solution, you probably have a lot of sensor and control data recorded that could be useful to…
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Commercial sensor and data logging solutions for hydroponics
On a previous post, I discussed a very interesting open-source sensor/data logging alternative for Hydroponics called MyCodo, which offers a lot of features and flexibility for those growers with the…
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MyCodo: an open-source solution for control, data logging and visualization
There are sadly not a lot of open source solutions for data logging, visualization, and control that have all the features required to be decently expandable and allow for different…
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Pros and cons of building your own sensor and data logging system in hydroponics
If you’ve read my blog before, you know how important data logging is to having a successful hydroponic crop. Data allows you to monitor and tune the different variables in…
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Standard hydroponic formulations from the scientific literature
When researchers started looking into growing plants without soil, they started to look for mixtures of nutrients that could grow plants successfully so that these formulations could be used to…
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The stability of metal chelates
When you get introduced to hydroponics and nutrient solution chemistry, one of the first concepts that you learn is chelation. A chelate is a molecule formed by a metallic ion…
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