Grodan SBS Cutting Cubes - Standard

Standard sized 1.5" rockwool cubes for propagation of seeds and cuttings, fits into the 3" or 4" Grodan rockwool blocks with large holes.

For best results soak these blocks in a young plant nutrient such as Vitalink Plantstart and a good quality root stimulant such as Roots Exceleurator at a pH of between 5.4-5.8. 

Available in trays of 77 or boxes with 18 x trays of 77.