*** Quoting James Mcgrail from a message to Carol Shenkenberger ***
CS> First, throw out the old gravel and buy new.
JM> Why throw out the old gravel?  I've had my present gravel for over 15 
JM> years.
Well you didnt quote enough of what I was responding to (grin) but if memory 
serves, this was in reference to a fellow converting a marine tank to a fresh 
water tank.
                                       xxcarol
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