don't use moltan thriftysorb 'oil dry' products - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 03-29-2010, 08:53 PM Thread Starter
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don't use moltan thriftysorb 'oil dry' products

Just an FYI for those looking for alternative substrates

So, I was having a hard time finding SMS / Turface / Pro League / Pro's Choice in my area, and I know that the oildri products are often made by the same companies...

Well I bought a 40lb bag of Moltan brand Thriftysorb Montmorillonite Clay at the local Orielly's auto supply. It looked like a lot of the turface, etc pictures and seemed like a nice fit. However, after a week under water, or 2-3 freeze/thaw cycles in a zip lock bag with water, about half of it had decomposed to mud/clay. This is even after sifting to remove the smallest particles and Heavy rinsing (it was soooo dusty).

Well, I finally found a distributor for Pro's choice, drove an hour to get two bags.... this stuff is WAY better. almost no dust, rinsed clear in no time, and degradation with freeze thaw. Apparently it's fired to a much higher temperature, which maintains the stability.

So, cliff's notes... alternate substrate can = , Moltan brand =
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post #2 of 4 (permalink) Old 03-29-2010, 10:12 PM
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why did you freeze/thaw the stuff?
i've never heard of that before
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post #3 of 4 (permalink) Old 03-29-2010, 11:06 PM
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Originally Posted by alan j t View Post
why did you freeze/thaw the stuff?
i've never heard of that before
I'm guessing maybe his location and the time of year.


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post #4 of 4 (permalink) Old 03-30-2010, 06:33 PM Thread Starter
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it's a decent test for the long-term structural stability of the substrate...bonsai folk do it a lot to see how it'll hold up over time
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