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10-06-2009, 10:04 PM
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Senior Member
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Join Date: Aug 2009
Zone: 5a
Location: MA, USA and Atenas Costa Rica
Posts: 1,508
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Quote:
Originally Posted by DelawareJim
Has anyone tried HygroStone yet? It's supposed to be more like the old PrimeAgra.
I've been flirting with getting a sample to try out.
Cheers.
Jim
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I've just begun growing orchids and have a couple of S/H plants. How is the new Prime Agra different from the Old? |
10-07-2009, 02:09 AM
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Jr. Member
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Join Date: Oct 2009
Posts: 17
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From my reading it appears that the new and old PA are different. I saw tests here. GrowInHydro - Media Comparison
This the site of the guy that was selling Hygrostone. Oddly, he also owns the domain primeagra. |
10-07-2009, 02:52 PM
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Senior Member
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Join Date: Mar 2007
Zone: 6b
Location: Meridian, ID
Age: 46
Posts: 3,610
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Quote:
Originally Posted by alternety
From my reading it appears that the new and old PA are different. I saw tests here. GrowInHydro - Media Comparison
This the site of the guy that was selling Hygrostone. Oddly, he also owns the domain primeagra. |
I thought that Ray was the creator of PrimeAgra, and the link provided for the media comparison is not Ray's website or part of it. The Hygrostone website is/was owned by someone else and he is no longer in business. |
10-07-2009, 09:54 PM
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Senior Member
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Join Date: Aug 2009
Zone: 5a
Location: MA, USA and Atenas Costa Rica
Posts: 1,508
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While looking at the hygrostone web page, I noticed something called "Swamp Stick" which is a ceramic mount. Has anyone tried it? They also sell ceramic covers for S/H pots. I think I will try some of those, because the S/H pots are hard to move- they flex.
SwampStick Ceramic Orchid Mount - Home |
10-07-2009, 11:52 PM
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Senior Member
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Join Date: Apr 2006
Location: Jacksonville, Fla USA
Posts: 740
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Is Hydrostone a grey porous rock? I may be using it under another name.
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10-08-2009, 03:47 AM
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Jr. Member
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Join Date: Oct 2009
Posts: 17
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Connie - they are out of business. Don't know if there are other vendors.
Orchids3 - no they are not gray. See the LINK I provided above.
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10-08-2009, 10:40 AM
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Senior Member
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Join Date: Apr 2006
Location: Jacksonville, Fla USA
Posts: 740
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When I googled Hydrostone I found a whole list of products - plasters, mold materials all made from Gypsum. I wonder if the product you are talking about is made from this material? Gupsum is Calcium Carbonate as is Lime, marble and sea shell. I always add a source of Calcium Carbonate to my potting materials whatever I use because it acts to prevent the media from going Acid (Raises pH). Orchids take up nutrients better if the media is neutral or around pH 7 - could this account for the success you had with the product you used? Has anyone tried Stalite or expanded schale gravel? - I love the stuff and am having good success with it .
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10-08-2009, 02:36 PM
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Jr. Member
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Join Date: Oct 2009
Posts: 17
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Hydrostone is not the name of the product. That is not a useful material.
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10-08-2009, 10:28 PM
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Member
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Join Date: Feb 2009
Zone: 5b
Location: Warren, Mi
Age: 42
Posts: 88
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I agree. Hygrostone seems to be made of some sort of sedimentary stone that is ground to size. I can't be much more specific other than it is not made of clay.
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10-08-2009, 11:26 PM
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Senior Member
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Join Date: Nov 2007
Zone: 6b
Location: Chester County, PA
Posts: 1,284
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I suspect HygroStone is very similar to AussieGold except it's much smaller.
Since it's sole source is out of business this thread is basically a deadend.
Cheers.
Jim
Last edited by DelawareJim; 10-08-2009 at 11:35 PM..
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