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 200 x 200 x 195 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 40 mm diameter by 35 mm depth.

• pH: 5.2 and 5.3