Grodan Delta Blocks are the most uniform blocks available on the market. They feature improved grooves at the base to promote better drainage
- Delta 8G blocks measure 10 x 10 x 7.6cm approx
- Premium quality rockwool
- Individually wrapped and are ideal for small plants and transplanting
- Often referred to as a 4” cube with hole
- Grooved based for improved drainage
- Can be used for direct seed or clone sowing ideal with Floraflex 4” Floracap
- Blocks can also be placed on top of a Slab for larger growing volume
- Grodan Delta guarantees an optimum balance of air and water