Crime skrev:
Rockwool is a man-made mineral fiber. The vast majority of Rockwool used in the world is used for insulation purposes much like fiberglass. However, the properties of Rockwool can be substantially changed by adjusting the mineral content. In the early 1960s it was found that following several modifications to the manufacturing process Rockwool would support and, under the right handling practices, promote plant growth. This specially produced horticultural Rockwool is what is primarily sold as a hydroponic substrate
Mange tak for det fine svar. Det var til at tage at føle på

havde dog også en lille prøve med hjem fra jobbet det afviste vand fuldstændig selv efter 24 timer neddykket var det stadig knas tørt 1 cm inde.
Jeg har dog fundet en Mapito blanding godt fyldt med stenuld til 300 bobs for 250 liter så den prøver jeg lige det næste stykke tid.
Smoke ta shit
Zhenta