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ryangus
 Post subject: White Scoria?
PostPosted: Apr 26th, '09, 17:56 
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Red scoria is virtually impossible to get up here in QLD, but I can get white scoria (apparently also known as 'popcorn').

Anyone ever used white scoria for growbed media?
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KudaPucat
 Post subject: Re: White Scoria?
PostPosted: Apr 26th, '09, 18:28 
Seriously, this cant be healthy.
Seriously, this cant be healthy.
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never heard of it... see if you can google a chemical makeup of it, post that, and we'll see.
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ryangus
 Post subject: Re: White Scoria?
PostPosted: Apr 26th, '09, 19:04 
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after a bit of poking around, I think it may be rhyolite. I've emailed the quarry that supplies it for more info, and will post back if/when I get a reply.
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TCLynx
 Post subject: Re: White Scoria?
PostPosted: Apr 26th, '09, 20:00 
Seriously, this cant be healthy.
Seriously, this cant be healthy.
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Would white scoria be like pumice?
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heka
 Post subject: Re: White Scoria?
PostPosted: Apr 26th, '09, 21:24 
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ryangus wrote:
after a bit of poking around, I think it may be rhyolite. I've emailed the quarry that supplies it for more info, and will post back if/when I get a reply.


Rhyolite...... is also the soft stuff around "Thundereggs" (the inside is quartz): anybody done some (gem)fossicking?
I would suggest that you'll get a high pH
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heka
 Post subject: Re: White Scoria?
PostPosted: Apr 26th, '09, 21:27 
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Get a handful.....crush it up fine and do put it into a container with some water.... shake it, let it settle and do a pH test :wink:
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