Quote:
Originally Posted by don.ald
So, when you remove rock from your system do you cook it and replace or do you purchase new "fresh" rock to replace?
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When I remove rock, it goes in the garden. My line of thought is that rock in a closed system has a finite lifespan. To alleviate this somewhat, I regularly turkey baste the exposed rock to clear the pores.
At the 3 year mark of my tank, 90% of my rock has been replaced. NO3 and PO4 still 0. I have never had measurable amounts of either. Based on that, I'm going to stick to my ideas on old rock
