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Thread: Do I need another grow medium besides rockwool?

  1. #1
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    Do I need another grow medium besides rockwool?

    Hey guys,

    I'm a first time grower and first time posting to these boards! Before I get to my question let me tell you a little bit about the setup I have. I am growing using the cash crop 5.0 grow box. (Cash Crop 5.0 - 6 Plant LED Hydroponics Grow Box - Dealzer)
    I'm only growing three plants as I think six is too crowded for this already very tight grow space. I germinated the seeds and then transplanted the seeds into 1-inch rockwool cubes. So far so good. It's only been about two days and already my seeds have begun to break the surface of the rockwool cubes. Everything I've read online says to add hydroton or clay pellets to surround the rockwool when you are ready to put them into the net pots and into the DWC system, but my net pots are extremely small and will only fit the 1-inch rockwool cubes. So, to my question finally..... am I ok just using the rockwool cubes as the only medium with my DWC grow box? If not, then any suggestions would be greatly appreciated! Thanks guys!

  2. #2
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    Re: Do I need another grow medium besides rockwool?

    You don't need much...just pack what you can around and on top. Also, they have the little rock wool cubs you could use rather than stones. If you can modify it or change out the net pots for larger, I would try that.

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