Grodan Improved Rockwool Slabs

$92.15$115.39 USD

Come in cases of 12 Only
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Grodan Improved Rockwool Slabs come in  40 inch and 36 inch lengths and come in 2 different widths 6” and 8”. Normally you would place a rockwool cube on top of them and let the roots grow into them. They are also  great to cut up into squares and use them for the extra root growth below cubes and to keep the plants from tipping over.

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