What Is Rockwool?
Rockwool (also known as stone wool) is an inert, non-organic material made from melted basalt or volcanic rock.
It doesn’t react with fertilizers or chemicals, maintains a stable structure, and provides excellent water and air balance — all crucial for healthy root development.
Key properties:
- Excellent water retention
- Chemical inertness (stable pH)
- Mechanical strength and durability
These characteristics make it an ideal growing medium for modern hydroponic systems.
Benefits of Using Rockwool Substrates
Water & Nutrient Efficiency
Rockwool distributes moisture evenly, allowing growers to use less water and fertilizer without compromising plant growth.
Water & Nutrient Efficiency
Rockwool distributes moisture evenly, allowing growers to use less water and fertilizer without compromising plant growth.
Water & Nutrient Efficiency
Rockwool distributes moisture evenly, allowing growers to use less water and fertilizer without compromising plant growth.
Choosing the Right Begrow Substrate: Plugs, Cubes & Slabs
Begrow offers a wide range of substrate formats tailored to each growth stage:
- Plugs (20×27 mm, 35×40 mm, 50×40 mm) — perfect for germination and early seedling development.
- Cubes (75×75×65 mm, 100×100×65 mm, 150×100×65 mm) — used for transplanting young plants.
- Slabs (1000×200×75 mm, 1000×150×100 mm, 1000×200×100 mm) — the main substrate for mature crops in hydroponic systems.
- 👉 See full product range: begrow.pro