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Re: [APD] Natural pea gravel, a high iron substrate
I just set up a 75 and 55 with turface as the substrate. It is a calcined
clay. I am not going to rely on the substrate to feed the plants. I am
going to feed via the water column. I will add a flourish tab under the
echinodorus plants but none others. I think that they organic type
substrates - burn out - loose their nutrients after awhile anyway. I
couldn't justify the price of all fluorite in those tanks.
So far so good. I am enjoying great growth and nice pearling in these tanks
now. I am not worried about my "inert" substrate. Time of course will
tell. Let us know how it goes....we could compare notes later.
> Jamie's tables on that page list a natural river rock substrate with
> outrageous values on all essential minerals. It leaves fluorite in the
> (pun intended) But can it actually be leached out by the plant roots or
> it just there but unavailable.
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