Rockwool definitions

Rockwool

This really is the state of the art rooting medium, and is used in plant propagation. It is alkaline and one will have to compensate for this.
Found on http://www.encyclo.co.uk/local/20077

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Rockwool

This really is the state of the art rooting medium and is used in plant propagation. It is alkaline and one will have to compensate for this.
Found on https://www.encyclo.co.uk/local/22488

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