Rockwool seeding block for germinating your seeds or transplanting your plants. It has generous dimensions for use as a single growing support for a plant. Its dimensions are 145 x 145 x 145 mm and it is mainly used in 1 meter hydro trays and hydroponic systems such as ebb/flow systems, etc. It has a planting hole of 35 mm in diameter by 35 mm in depth.

• pH: 5.2 and 5.3