What are substrate-less growing systems?
Soilless growing systems, also known as technical growing systems, encompass all techniques that dispense with traditional substrates, such as soil or coconut coir, and instead use water as the primary means of nourishing plants. This category includes hydroponic systems, where roots are submerged in nutrient solutions, and aeroponic systems, where roots are suspended in the air and sprayed with a fine, nutrient-rich mist.
How do they work, and what advantages do they offer?
These systems allow complete control over crop parameters, from nutrient concentration to pH and dissolved oxygen. By eliminating soil, the risk of pests in the substrate is reduced, and resources are better utilized, allowing plants to grow faster and develop more robust root systems. They also require less water and can be installed in spaces optimized for yield.
Who are they intended for?
They're perfect for experienced growers looking to take their precision and performance to the next level, although many models are also designed for beginners. They work well in indoor grow rooms, grow cabinets, or controlled rooms, and are especially valued for their cleanliness, speed, and space savings.
Advantages of hydroponic and aeroponic cultivation
Choosing a hydroponic or aeroponic system will eliminate the need to move bags of soil or coco coir and will increase your productivity. Plants receive nutrients directly, without having to filter them through the substrate, which accelerates growth and improves the efficiency of each watering. With more oxygen in the root zone, roots grow healthier, and the plant can focus on producing flowers and resin.
Types of systems available in Alchimia
In this category, you'll find a wide variety of solutions, from modular and easy-to-assemble systems to professional kits for large-scale productions:
- NFT, DWC (Deep Water Culture), Ebb & Flow (flood and drain) hydroponic systems.
- High-oxygenation and precision aeroponic systems.
- Complete kits including tanks, pumps, diffusers, and trays.
- Spare parts and maintenance items: pumps, drippers, aerators, diffusers...
Recommended models and featured brands
Some specialized brands you can find at Alchimia include Terra Aquatica and Atami Wilma System, among others. Models include:
- Cultimate Aero by Terra Aquatica (high-performance aeroponic, formerly called AeroFarm by GHE).
- GrowStream 2.0 by Terra Aquatica (modular aeroponic system).
- Atami's Wilma Hydro System (versatile and compact hydroponic).
- Cultimate by Terra Aquatica (formerly GHE's WaterFarm and AquaFarm).
All of them offer ease of use, scalability, and compatibility with different cultivation phases.
Frequently asked questions about substrate-free growing systems
What is the difference between hydroponics and aeroponics?
In hydroponics, the roots are in direct contact with a nutrient solution; in aeroponics, the roots are suspended in the air and sprayed with a nutrient mist.
Is it necessary to use special fertilizers in these systems?
Yes, hydroponic-specific fertilizers are recommended, as they are designed to dissolve completely in water and provide all the necessary nutrients in their most assimilable form.
