Grodan Mini-Blocks 24 PackSold Out
Grodan Rockwool Mini-Blocks are great choice for rooting cuttings. We recommend soaking them in pH 5.5 water before planting up with seeds or clones. Keep them under a dome to retain moisture and mist if necessary. From here, you can transplant into any growing medium, soil or hydro.
- Size: 2'
- 24 Pack