Grodan is a market leader in horticultural products and their rockwool is considered one of the best on the market. Ideal for hydroponics seedling propagation, transplants and cuttings.
Once seeds or cuttings are rooted in a propagation cube, transplant them to a Grodan Delta Block.
3” and 4” blocks are ideal for use in NFT, slab culture, dripper or Ebb & Flood systems.
3" (75mm x 75mm x 65mm)