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Old 26-Mar-2008   #19
soltan
Wabi and Sabi student
 
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Join Date: Apr-2005
Country: australia
USDA Zone: 8-9?
Posts: 564
KC
I understand your excitment about zeolite I tried for some time to find a source.
I finally was advised by a bonsai friend that Bonsai Enviroment use it in thier potting mix.
They don't display it for sale but if asked they should sell you a bag if they can spare it.

At my last visit to Ray Nesci I noticed he had two different company brands of zeolite for sale.

Before this I was looking at buying striaght from the supplier at
http://www.cmzeolites.com.au/index.html
They will sell it for about $8 a bag

They are a very helpful company and sent out a sample of the grade size I was considering. The contact I talked with recomended the finer grade but I was keen on the larger grade. I felt I would get less fines in this.(I forget the exzact sizes )
I think the larger size was 2.4mm to 5mm. I think this size is the most versitile for a range of uses.
The bag I bought from Bonsai enviroment was great. I still have most of the Bag from Ray Nesci. I think the bag from Ray was the finer grade?

There also seems to be two different soughts of zeolite.
I bought a bag of zeolite as a oil spill soaker and it was white and softer like the stuff in kitty litter. I still used it but I think the brown hard zeolite is better.
I discussed this with the contact at Castle Mountain Zeolites and he explained that this white zeolite was a number of million years younger than thiers.
I have not been able to buy the diatomite yet but this same contact stated that Diatomite is very similar to this white zeolite.

I also found a kitty litter that seems to work well in bonsai soil(First season with this as well) Our local woolies always has a few bags.
I will post a pic of it if you need it.
It is called Chandlers Kitty litter it is made with Attapulgite clay.
It states a good use for the used waste is to dig it into the garden to increase water retention.
It is too hard to squash with you fingers but your nail can split it. Doest not break down in water. It seems to have held together quite well this season But I have not repotted any trees growing in it yet?

I too would like suppliers of Crushed Lava Rock
Crushed Pumice
Decomposed Granite
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