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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The importance of accuracy in hydroponic nutrient preparation
When you prepare your own concentrated hydroponic nutrients, you need to carry out a significant number of measurements. As a consequence, you will deviate from your intended preparation by the…
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How to make an organic hydroponic nutrient solution
Hydroponic nutrients are usually made with synthetic chemicals that come from industrial processes. While these chemicals are usually of a higher purity than those mined or obtained from animal or…
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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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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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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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Differences between labels and actual composition values in commercial hydroponic fertilizers
Whenever I am hired to duplicate a company’s fertilizer regime based on commercial products, I always emphasize that I cannot use the labels of the products as a reference because…
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Five common mistakes people make when formulating hydroponic nutrients
It is not very difficult to create a basic DIY hydroponic formulation; the raw salts are available at a very low cost, and the target concentrations for the different nutrients…
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