Rockwool cubes 7.5 x 7.5 cm 1 pieceBig rockwool cubes!
Rockwool cubes are ideal suitable for the cultivation out of seeds and cuttings.
In further consequence the cubes can be used again with soil and hydroculture.
In the original state the blocks have a neutral pH-value of 7.0, recommended is a pH-value of approx. 5.6-5.8.
size rockwool cube: 7.5 x 7.5 cm