Want to try sand, What do I need to add to it?

Hooked Newbie

Today will be yesterday tomorrow
May 25, 2007
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Georgia
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Len
Ok, I am currently using gravel in all my tanks and want to try sand. I want this to be a moderately planted tank. The tank is a standard 55 and will have an XP3 and AC110 on it. I picked up a 4x65w Coralife hood today at great discount that should allow me to grow just about anything. My question is this... Should I mix the sand with some other substrate for the plants or rely entirely on ferts?
 
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