Romberg PowerBlocks 5 x 5 - Coir Substrate Propagation Block

The peat-free PowerBlocks are ideal for growing seeds and cuttings. As soon as the dry slice is doused with a little water, it quickly swells into a cube and you can start using it.

• Optimal swelling by adding approx. 100 ml of water
• Enables healthy, strong and fast root or plant growth
• Includes a hole for easy use
• Ph value 5.3

Dimensions: 5 x 5 cm