Speedgrow Green, propagation cube, 7.5 x 7.5 x 6.5 cm, large hole 38/35 mm

Speedgrow Green, propagating block (Starter block) Speedgrow® Green is a truly natural product, made of basalt (basic volcanic rock / lava). By heating and spinning the rock natural fibers are being created. This so-called ECOSE ® technology is a new revolutionary and formaldehyde-free method based on natural and organic ingredients. This sustainable technology is environmentally friendly and so a product in the desired structure can be created including healthy ingredients. The advantage is that the roots can grow without any resistance and thus are more defiant to diseases and pests. The plants use this advantage to grow stronger and larger. - Speedgrow® rockwool does not need to be watered or acidulated 24 hours a day - Does not require continuous re-acidulation in the long-term - Speedgrow® rockwool can be used twice - It’s capillary force is 30% higher in comparison to other rockwool products - 7.5 x 7.5 x 6.5 cm - large hole, ø 38 mm (224 pcs./ box)