In this situation, I would either remove the sandbed and clean it in changewater, or remove the sandbed completely.
Beverly, do think that there is any point in trying to clean old sand? If it is indeed loaded up with PO4, just rinsing it won't solve the problem. A person would have to keep it in R/O water constantly stirring in order to have all the PO4 leach out.
IMO, old sand shouldn't be re-used - it can't clean itself as well as live rock can.
What do you think?
11-28-2004, 07:19 PM
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