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post #1 of (permalink) Old 11-22-2012, 02:17 PM Thread Starter
gt turbo
Planted Tank Obsessed
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Join Date: Sep 2012
Location: Barbados
Posts: 337
Clay question

Ok guys, in barbados we have hand made pottery from red clay.

Just like what this guy is displaying.
Name:  pottery12- Bell showing off MNI clay.jpg
Views: 260
Size:  44.3 KB

Now here is my question, could I take this type of clay and grind it down to make a substrate additive assuming that it would have a similar cation exchange rate.

If this is possible this could be epic cause i can get the broken pot for free. So i'll be doing 1/2 inch of dirt with osmocote 14-14-14, then this clay and then capping with normal aquarium gravel.

Views, warnings and advice are very welcomed here.
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