Has anyone used Growstone as their inorganic soil medium?

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Has anyone used Growstone as their inorganic soil medium?

Post  Hoo on Mon Apr 29, 2013 1:44 am



I'd really like to get a bag and give it a whirl. Made of recycled glass. It's ridiculously light in weight compared to something like Soil Perfector. Would be a lot easier on the back when moving around larger bonsai.

Hoo
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Growstone

Post  Bruce Winter on Mon Apr 29, 2013 3:15 am

I use it, it's a bit large, about 1/2" 10-15mm. Good for large material in tubs or grow boxes. Like pumice, it's glass, but recycled instead of volcanic. Doesn't float away either.
If enough bonsai types wrote the company they might make a smaller size.

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Re: Has anyone used Growstone as their inorganic soil medium?

Post  PeacefulAres on Mon Apr 29, 2013 3:39 am

Bruce Winter wrote:I use it, it's a bit large, about 1/2" 10-15mm. Good for large material in tubs or grow boxes. Like pumice, it's glass, but recycled instead of volcanic. Doesn't float away either.
If enough bonsai types wrote the company they might make a smaller size.

I'm fairly certain that their "Super Soil Aerator" is within the normal bonsai soil size range.

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Re: Has anyone used Growstone as their inorganic soil medium?

Post  Tona on Mon Apr 29, 2013 5:03 am

Al Keppler is trying it out.
Tona

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Re: Has anyone used Growstone as their inorganic soil medium?

Post  Bruce Winter on Mon Apr 29, 2013 8:56 am

PeacefulAres wrote:
Bruce Winter wrote:I use it, it's a bit large, about 1/2" 10-15mm. Good for large material in tubs or grow boxes. Like pumice, it's glass, but recycled instead of volcanic. Doesn't float away either.
If enough bonsai types wrote the company they might make a smaller size.

I'm fairly certain that their "Super Soil Aerator" is within the normal bonsai soil size range.
Nope, like I said, it's larger.

Bruce Winter
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Re: Has anyone used Growstone as their inorganic soil medium?

Post  Hoo on Mon Apr 29, 2013 12:46 pm

I'm intrigued. Here's hoping I can find a local vendor.

I can't really speak on the size. Chase Rosade had a bag. Seemed to be a fair size, but I know he screens everything. I typically use unscreened Soil Perfector and know it was smaller and significantly lighter than that.

Hoo
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Growstone

Post  Bruce Winter on Mon Apr 29, 2013 6:58 pm

Call your local hydroponic supply store.
Growstone has a novel method suggestion for screening: Cut holes in bottom of bag and pour water in.

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Re: Has anyone used Growstone as their inorganic soil medium?

Post  nickalpin on Tue Apr 30, 2013 5:40 pm

Bruce Winter wrote:Call your local hydroponic supply store.
Growstone has a novel method suggestion for screening: Cut holes in bottom of bag and pour water in.

I second this suggestion.
When inquiring at a local hydroponic store if they carried lava rock, they offered me free samples of growstone at various sizes. It's very light.

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Re: Has anyone used Growstone as their inorganic soil medium?

Post  Hoo on Tue Apr 30, 2013 6:49 pm

Thanks for the suggestion. I'll follow up with some pics showing grain sizes once I acquire a bag.

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Re: Has anyone used Growstone as their inorganic soil medium?

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