The Planted Tank Forum - View Single Post - How long does dirt last?
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Old 02-02-2013, 08:38 PM   #2
Yankee
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It depends on a lot of factors - how long was the dirt in your garden?

Also you can always dose dry ferts if you're concerned with the nutrient content. This'll also help bring nutrients back into the soil. Another thing to do is to cap your dirt with a CEC material (like flourite) so the nutrients get trapped and released constantly around the roots.
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