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JDowns · 03-19-2008, 05:48 AM

Peat releases humic acids that make Fe++ available in the water and to the roots (or something to that affect).

I use a base of peat with a layer of onyx sand on top of that. Then a layer of SMS to achieve just under an 1"+ of a base (basic cheap filler). Then on top of that I use a 50/50 mix of SMS and EC. I mix in the EC to make the SMS a little more compact and easier to hold plants until they root.

03-19-2008, 05:48 AM	#4 (permalink)
JDowns Senior Aquascaper Join Date: Mar 2008 Location: Phoenix, AZ Posts: 148	Peat releases humic acids that make Fe++ available in the water and to the roots (or something to that affect). I use a base of peat with a layer of onyx sand on top of that. Then a layer of SMS to achieve just under an 1"+ of a base (basic cheap filler). Then on top of that I use a 50/50 mix of SMS and EC. I mix in the EC to make the SMS a little more compact and easier to hold plants until they root.