A powerful organic fungicide for powdery mildew
Powdery mildew (PM) is a hard disease to fight. It affects plants of multiple different species and causes big crop losses around the world. Although the best treatment against it…
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Making a nitrate rich compost tea for organic hydroponics
Organic hydroponic solutions – meaning solutions derived from organic inputs – contain a lot of nitrogen derived from organic sources that are mainly in either ammonium or protein form. These…
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Never fail with ebb and flow hydroponic systems
Ebb and flow or “flood and drain” systems, are some of the most popular systems built in hydroponics. These are low cost, can host a large number of plants, and…
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The value of Fulvic Acid in hydroponics
Fulvic and humic acids have been studied for decades and used extensively in the soil and hydroponic growing industries. I previously talked about the use of humic acid in hydroponics…
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New to organic hydroponics? Consider these six things
Although hydroponic crops cannot usually be labeled as “organic” by official certifying authorities, like the USDA, we can create a hydroponic crop that is “organic” in spirit. We can do…
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Is hydroponics organic? Is it better or worse?
There has been a battle raging during the past decade between soil-based organic producers and hydroponic growers, to figure out whether hydroponically produced crops can or cannot be considered for…
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HydroBuddy v1.9, MacOS binary, new EC model, many bug fixes and more!
Today I am releasing a new version of HydroBuddy (v1.9) which contains many suggested and needed improvements from the previous version of the software. In this post I want to…
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Improving on HydroBuddy’s theoretical conductivity model, the LMCv2
Hydrobuddy’s theoretical conductivity estimates have never been good. As I discussed in a previous post, the program uses a very simple model based on limiting molar conductivities to calculate the…
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Creating a pH/EC wireless sensing station for MyCodo using an Arduino MKR Wifi 1010
There are multiple open-source projects available online for the creation of pH/EC sensing stations for hydroponics. However, all of the ones I have found use a single Arduino or Raspberry…
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A simple cheatsheet for macro nutrient additions in hydroponics
In hydroponic growing, we are often faced with the need to adjust the nutrient concentrations of a fertilizer reservoir or foliar spray directly, in order to increase the quantity of…
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