Grodan cube Delta HUGO Big Block 15x15x15cm
Grodan produces rockwool substrate from natural volcanic rock by this is liquefied by high heat and pressed through fine nozzles.
Rockwool provides an excellent balance between nutritient and oxygen and is also very easy to carry. Thanks to these properties rockwool substrate in its various forms is the most used medium in professional plant breeding.
Grodan Big Block 150mm cubes with 28mm and 38mm hole are normally used in combination with the cubes 150er Trays, 77er Trays or den 40mm.
Please choose between cubes or boxes à 48 Stk.
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