Grodan Delta 4G Blocks are ideal for use with small plants.The use of Grodan Delta Blocks make it effortless to start up propagation with uniform WC and EC distribution.
FEATURES:
• Delta 4G blocks measure approximately: 7.5cm x 7.5cm x 6cm
• Premium quality rockwool
• Individually wrapped, 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
