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Rockwool is a chemically neutral substrate that has an optimum air to water ratio making it a great growing medium. Comes in a variety of sizes.
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13 Item(s)

Rockwool

$7.16 - $199.96
$7.16 - $199.96
The perfect rockwool for cuttings, this 1.5" round plug is sliced down the side so that you can open the plug and easily insert your cutting (without damage)
$5.88 - $89.45
$5.88 - $89.45
$12.99 - $383.99
$12.99 - $383.99
$6.99 - $273.99
$6.99 - $273.99
$3.99 - $273.99
$3.99 - $273.99
Made in Denmark since 1969, stonewool is widely recognized as the ideal growing substrate. For any growing application, stonewool offers speed, ease of use, and cleanliness. Grodan stonewool is known for its quality, consistency and performance.
$1.03 - $1.99
$1.03 - $1.99
$7.96 - $14.36
$7.96 - $14.36
$7.96
4.5" Covers-Pack of 40
$79.99

Driest value-priced rockwool on the market. Made at the Grodan® factories. Plain brown half case sizes. Better quality and drainage than other value-priced rockwool.

 

Sold by the case only- Case quantity 72 blocks

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13 Item(s)