Description
Grodan Delta 4G – 75mm x 75mm Wrapped Cube (No Hole)
A premium rockwool starter cube designed for consistent propagation and early growth in hydroponic systems. The wrapped design improves handling and stability, while the no-hole format suits a range of planting methods.
- Size: 75mm x 75mm
- Format: Wrapped cube, no hole
- Rockwool performance: Excellent water retention and aeration balance
- Ideal for: Seeds, cuttings, and transplanting into larger slabs/blocks
Use: Pre-soak and condition to your preferred pH/EC before planting (best practice for rockwool).