Grodan Delta 4G Block

Grodan Delta 4G Blocks are ideal for use with small plants such as strawberries and peppers. Sold in strips of 8 blocks. 

• Delta 4G blocks measure 7.5 x 7.5 x 6cm approx
• Premium quality rockwool
• Individually wrapped and are ideal for small plants and transplanting
• Often referred to as a 3” cube without hole
• Grooved based for improved drainage
• Can be used for direct seed or clone sowing
• Blocks can also be placed on top of a Slab for larger growing volume
• Grodan Delta guarantees an optimum balance of air and water