Grodan 40mm x 40mm premium rockwool propagation block for cuttings and seedlings. Application The Grodan Delta NG2.0 block is a trustworthy block that ensures good propagation under most circumstances. It is suitable for almost all crops. Grodan 1.5in propagation Block Delta NG2.0 is the optimal block in combination with a 7.5 cm high slab. Key benefits Easy irrigation, supporting both vegetative and generative response Improved vertical water distribution Good reliable response under all circumstances Wetting instructions A comprehensive guide to wetting your Grodan blocks can be found here.
