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Grow Rocks?

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Old 2-Jun-2002   #1
joan_fl
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Grow Rocks?

im kind of new to Bonsai, but does anyone use Grow Rocks?

This is what im referring to:

http://www.gardenersedgehydroponics.com/products/product_item_view.asp?id=105
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Old 2-Jun-2002   #2
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Re: Grow Rocks?

I used Grow Rocks when I was fooling around with hydroponics. The ones I have (I have a whole bunch I'll sell cheap!) were 3/8-1/2 big. Definitely way to big for bonsai. Also, they are designed NOT to hold water because in hydroponics you constantly have water circulating around the roots. The rocks are stictly and only for holding the roots firm.

I think a person should stick real close to the basics that are tried and true. Once those are mastered, you can experiment with less valuable plant material. I'd stay with one of the excellent mixes discussed at length in another thread.
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Old 3-Jun-2002   #3
Tony
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Re: Grow Rocks?

That site doesn't give much info as far as particle size or how much you get you get for the money. Expanded shale is the same as Haydite. It's used in making concrete blocks and can be used as a conponent in bonsai soil. Look around at places that make paving stones or landscaping places and try to find your soil ingredients local. Shipping is really costly for something like this.

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