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  1. How to use Rockwool Cubes for Growing, Seed Starting, and …

    • Rockwool cubes are a popular growing medium for hydroponics and seed starting, as they retain moisture and oxygen well and are chemically inert. Learn how to prepare, use, and dispose of rockwool cub… See more

    What Are Rockwool Cubes?

    Similar in texture to steel wool, rockwool is a dense mat consisting of long strands of natural fibers. Basalt rock and chalk are combined and then melted at a very high temperatur… See more

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    Do’s and Don’ts of Using Rockwool Cubes

    One of the drawbacks to using rockwool cubes is the special care and consideration that needs … See more

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    How to Prepare Rockwool

    Before using your rockwool in a hydroponics system it’s important to prepare it for use. Unlike other pH-neutral hydroponic growing media like Hydroton, and Coco C… See more

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    What Are The Uses of Rockwool Cubes

    Rockwool cubes hold a tremendous amount of water for their size, which provides a buffer against power outages that make shut down pumps or timers. On average the… See more

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