Steenwolblok witmerk 4x4 cm. 1300 st. / zak

Rockwool Block Witmerk 4x4 cm. 1300 pcs. / bag

The use of wool serving the culture has been used since the early 70s. The wool that we know of construction is incidentally not the same as that used in the cultivation. When the mineral wool which is used in the construction industry, there is namely an oil to be added which ensures that these mineral wool repels water, so that it is not suitable for the culture.
For horticulture, special rockwool developed. Rockwool, among others as their own sheep that isolates the long hold moisture and contains a lot of air. Furthermore, it is well known that mineral wool is relatively inexpensive, lightweight and very compact. Because of these properties of the mineral wool a material most widely used in the breeding. However, you must consider a number of things if you use rockwool. Namely rock wool has a high pH value. Therefore it is important that you inwatert rockwool block in advance and add growfertilizer added. Check these ph - Write regularly and always keep the value above 5. Come namely under 5 then you have a chance that the wool goes completely.
This rockwool blocks specifically for the cultivation of young plants. The mineral wool block consists of a very thin fiber of rock wool which facilitates the growth of the root of the young plant. This specially developed for young plants rockwool block creates an optimal growth environment so the plant will grow evenly.