Rockwool Cube (7,5 X 7,5 X 6,5 CM) (Ø28 x 35mm)

Rockwool Cube (7,5 X 7,5 X 6,5 CM) (Ø28 x 35mm)

The rockwool seed plug is a support for germinating seeds and rooting seedlings and cuttings.

The rock studs are used as supports for hydroponic crops, since thanks to their mineral composition they are inert, which makes it a clean and safe system as support.

For a good use of the rock wool seeding block we advise you to immerse it in water with pH 5.2 or 5.3 for 24 hours before use to lower its high pH that it has been manufactured.

The holes in the rock blocks can accommodate the rock blocks of the 150-cell and 77-cell trays respectively when transplanted.

SPECS

Its conductivity is <0.5dS/m and its pH 7.5

Dimensions: ø28 x 35 mm and ø38x35 mm

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