Using calcium sulfate in hydroponics
Calcium is a very important element in plant nutrition and can be supplied to plants through a wide variety of different salts. However, only a handful of these resources are…
Read More
Three ways to judge the quality of powdered hydroponic nutrient products
Commercial hydroponic nutrients are often available as liquid concentrates. These offer a very reproducible experience for the user, with very high homogeneity and easiness of application. However, one big drawback…
Read More
How to control algae in a hydroponic crop
Microscopic algae can be a very annoying problem in a hydroponic crop. As photosynthetic organisms they can cover all exposed surfaces that get wet with hydroponic nutrient solution and can…
Read More
Can you use regular soil fertilizers in hydroponics?
If you have just started your journey into hydroponics you’re probably wondering why you need to spend your money in hydroponic specific nutrients when there are so many cheaply available…
Read More
Accurately preparing large quantities of concentrated hydroponic nutrients
When preparing concentrated solutions for hydroponics it is important to have a reproducible process that always generates the exact same results. If this is not done, you’ll obtain different nutrient…
Read More
Calcium EDTA and its problems in hydroponics
Calcium is mainly used in hydroponics as calcium nitrate, given that this is a very soluble and abundant form of calcium. However this is not the only way calcium can…
Read More
How to prepare a low cost chelated micronutrient solution
Micronutrients constitute only a small portion of a plant’s nutritional requirements but are still vital to growth and development. They are mainly comprised of heavy metals (Fe, Zn, Mn, Cu,…
Read More
Understanding the carbonic acid/bicarbonate buffer in hydroponics
I have written several articles before about pH and it’s importance in hydroponic culture (1, 2, 3, 4). However I have yet to write a detailed explanation of one of…
Read More
A guide to different pH down options in hydroponics
The control of pH in hydroponic nutrient solutions is important. Plants will tend to increase the pH of solutions in most cases – as nitrate uptake tends to dominate over…
Read More
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…
Read More