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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Practical use of ion selective electrodes in hydroponics
The achievement of adequate ion concentrations in nutrient solutions, media and plant tissue is key to success in hydroponics. It is therefore important to measure them, so that proper values…
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Inner leaf tipburn in hydroponic lettuce
The most common problem I get contacted for by hydroponic lettuce growers is the appearance of inner leaf tipburn within their plants. During the past 10 years I have consulted…
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The effect of Seaweed/Kelp extracts in plants
Few bio-stimulants are more popularly used than seaweed/kelp extracts. These are used by many growers to increase plant quality and yields, in particular, extracts from the Ascophyllum nodosum species are…
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Characterizing hydroponic stock nutrient solutions
I’ve written several articles in the past about how to characterize concentrated hydroponic nutrient solutions using simple yet highly accurate small scale methods. I have now released a video showing…
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