Magnesium is an indispensable element for - amongst others - plants. Plant deficiencies Magnesium deficiency guide
About phosphorus in short: phosphorus plays an important role for all living Plant deficiencies Phosphorus deficiency guide
North American Grade Potting Mixes and Mediums North America enjoys much diversity in what it provides to gardeners...
The structure of potting soil determines how much water and air are available Growing on soil Contents of potting soil
Not every substrate is usable if you're growing on a recirculating system. Growing on recirculating systems AQUA substrate, nutrients & additives
In recirculating systems, the pH value can fluctuate more than in run-to-wast Growing on recirculating systems Everything about EC, pH and ppm using AQUA
There are many advantages to growing on recirculating systems. Growing on recirculating systems Using recirculating systems
In a recirculating system the drainage water doesn't flow away but is reused. Growing on recirculating systems Recirculating systems