UPDATE
we've got a winner, 0.26 still after another 5 hrs, i think we've hit exhaustion. seams that for the average Joe not trying to get all scientific and precise about it, 2 cups of PhosBan will pull 2.68ppm of PO4 from 225g of water, thats about an average of 1ppm/cup/100g not to shabby.
with the comment:
Quote:
Originally posted by AZDesertRat
This has been tested exhaustively by water treatment plants wordwide and it does not release things. GFO and GFH have been used in potable water for arsenic treatment for years. Thats the biggest reason the water treatment iindustry has gone away from aluminum based media since it is well documented it does release contaminants. GFO can be used for several different contaminants including arsenic and phosphates among others.
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i think I'll just dump the media out and reload with new, no need to spend the time testing for leeching and i can't seam to find anything on the baking the media so it'll just add to the growing pile in the back yard
