Rock wool planting plugs are a support for germinating seeds and rooting seedlings and cuttings.

Rock wool plugs are used as supports for hydroponic crops, since thanks to their mineral composition they are inert, so they are not easy to break. This makes it a clean and safe system as a support.

For a good use of the rock wool planting plug, we recommend that you immerse it in water with pH (5.2 or 5.3) 24 hours before using it to lower its high pH that it has from manufacture.

Specifications of the rock wool planting plug:

It is used both to germinate and to transplant bare root plants.

This type of rock wool plugs have a central hole, and you can choose between two sizes, one of 28 mm in diameter by 35 mm in depth and the other of 38 mm in diameter by 35 mm in depth.

These holes in the rock wool plugs can hold the rock wool plugs from the 150-cell trays and the 150-cell trays. 77 alveoli respectively when the transplant is done.

Boxes of 480 units