A one-part hydroponic nutrient formulation for very hard water
What is water hardness? There are many parameters that determine the quality of a water source. Water that has a composition closer to distilled water is considered of a higher…
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New tissue analysis feature in HydroBuddy v1.99
Tissue Analysis To grow great plants, we need to grow plants that have a healthy mineral composition. Although there are no theoretically established values for what the mineral composition of…
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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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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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About the default fertilizer database in HydroBuddy
Hydrobuddy is an open source calculator that seeks to help growers create their own hydroponic nutrient solutions. In order to do this, the program includes a database with a list…
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A new conductivity model in HydroBuddy
On my previous post you can read about how I ran experiments to develop a conductivity model using empirical data in order to improve our ability to predict EC values…
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HydroBuddy has now been updated to v1.70: New features and modifications
My free and open source hydroponic nutrient calculator has been available since 2010, going through many iterations and changes through the years. The latest version as of May-24-2020 is now…
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Nutrient solution conductivity estimates in Hydrobuddy
People who use Hydrobuddy can be confused by its conductivity estimates, especially because its values can often mismatch the readings of conductivity meters in real life. This confusion can stem…
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Hydrobuddy v1.60: A new update with important changes
During this past few weeks I have been working on modernizing Hydrobuddy in order to get it to compile with the latest versions of Lazarus and the Free Pascal Compiler…
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