Rockwool cubes can be used for raising seeds and growing cuttings.
- Each cube has a small indent for cuttings and seeds.
- The 98 cube tray has cubes only, and can easily be split by hand or cut with scissors into individual or strips of cubes.
- Can be purchased as a single slab / tray of 98 cubes, or a box of 30 slabs / trays (2940 cubes).
These Grodan Rockwool cubes are ideal for raising seedlings and cuttings. Once roots start to emerge through the cubes you will need to plant them on into larger Grodan Transplanting Cubes or another media such as Expanded Clay pebbles, Perlite, Coco or Potting Soil.
The hydroponic growing media of choice
Grodan Rockwool or stonewool is made from molten rock spun into cotton candy-like fibres and then compressed into cubes, blocks or slabs. Rockwools superb quality, fibre structure and pathogen-free content enables optimal root development for unrivaled growth and production. Grodan has the highest density on the market, which translates into the greatest structural integrity for increased and longer oxygen holding capabilities. Low density rockwool collapses with the weight from water and plants, squeezing out air pockets and decreasing oxygen retention. High density gives better insulation value which is especially important during germination and rooting of cuttings. Higher density also improves the wicking and dispersion of moisture and nutrients, enticing roots into more areas of the medium, and therefore increasing nutrient fueled sites for premium plant production. Click here to read our handy guide on raising seeds with rockwool.
|Warranty Length||Limited Warranty|
|Warranty Conditions||Limited Warranty|
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