Grodan Improved Jumbo 6" x 6" x 4" No Wrap (64/Case)

Grodan Improved Jumbo 6" x 6" x 4" (No Wrap, 64/Case) are premium stone wool blocks designed to deliver consistent water distribution, enhanced air content, and optimal root growth.

Unwrapped for flexibility, these Jumbo blocks allow for easier transplanting and custom spacing, making them a trusted choice for greenhouse and hydroponic systems. Each case contains 64 blocks, ensuring efficiency for larger grow operations while maintaining uniform moisture and oxygen levels across crops.

Durable, easy to handle, and engineered for professional cultivation, Grodan Improved Jumbo blocks provide the foundation for vigorous plants and higher yields.