Category: Uncategorized

A cost analysis of fertilizers for hydroponic/soilless growing in 2022

Why fertilizer costs matter Fertilizer can be one of the largest expenses of a hydroponic growing facility. This is especially true when boutique fertilizers are used, instead of large scale…

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How to reuse your coco coir in soilless growing

Why reuse media Buying new media and spending labor to mix, expand, and even amend it can be a costly process for growing facilities. Dumping media also involves going through…

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Are Iron chelates of humic/fulvic acids better or worse than synthetics?

Why Fe nutrition is problematic Plants need substantial amounts of iron to thrive. However, iron is a finicky element, and will react with many substances to form solids that are…

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A guide to different pH up options in hydroponics

When is pH up needed? The control of pH in hydroponics is critical. Most commonly, we need to decrease the pH of our solutions as most nutrients will initially be…

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How to make a stabilized ortho-silicic acid solution with only 3 inputs

In a previous post, which you can read here, I gave a procedure for the preparation of a stabilized mono-silicic acid using from potassium silicate. The procedure called for the…

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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 Potassium to Calcium ratio in hydroponics

To have a healthy hydroponic crop, you need to supply plants with all the nutrients they need. One of the most important variables that determine proper nutrient absorption, is the…

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How to use organic fertilizers in Kratky hydroponics

I’ve written several posts in this blog about Kratky hydroponics (for example here and here). In this method, you use a bucket, a net pot, a small amount of media,…

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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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