How to prepare your own hypochlorous acid cleaner using bleach
During the past couple of years, cleaning products based on hypochlorous acid derived from electrolysis have become popular in the hydroponic industry. This is because, in the USA – per…
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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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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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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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My Kratky tomato project, tracking a Kratky setup from start to finish
Fully passive, hydroponic setups are now everywhere. However, it seems no one has taken the time to diligently record how the nutrient solution changes through time in these setups and…
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Arduino hydroponics, how to build a sensor station with an online dashboard
In a previous post about Arduino hydroponics, I talked about some of the simplest projects you could build with Arduinos. We also talked about how you could steadily advance towards…
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How to choose the best hydroponic bucket system for you
You can use simple buckets to create versatile hydroponic systems. You can create a system to grow a few plants at home or thousands of plants in a commercial facility.…
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Arduino hydroponics, how to go from simple to complex
Hydroponic systems offer a great opportunity for DIY electronics. In these systems, you can monitor many variables, gather a lot of data, and build automated control systems using this information.…
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