Rockwool Tray - 77 cubes of 3.5 x 3.5 cm - Grodan

Rockwool tray - 77 cubes

The hydroponic growing medium par excellence, acclaimed in professional horticulture for its cost-effectiveness, reusability and sterility. This substrate offers optimal oxygenation at root level, efficient water and nutrient retention, and anti-rotting properties.

The 4x4 cm cubes, presented in a 77-cm divisible tray, facilitate germination and cuttings, while avoiding transplant shock.

Note, however, the precautions necessary for the use of rockwool in its dry state, recommending the wearing of masks and gloves, while in its moist state it remains harmless.

77 cubes, 3.5 x 3.5 cm.