TimmyB42386 PO'd Crawdad Dec 15, 2006 473 0 0 40 New Jersey Feb 17, 2007 #1 Will charcoal pre packaged in the Marineland filter cartridges absorb liquid fertilizer? I just put new ones in 2 days ago, and would rather not cut them open to pull it out, but will have to if necesary.
Will charcoal pre packaged in the Marineland filter cartridges absorb liquid fertilizer? I just put new ones in 2 days ago, and would rather not cut them open to pull it out, but will have to if necesary.
Rex Grigg Curmudgeon Jan 1, 2007 444 0 0 Moscow on the Willamette www.rexgrigg.com Feb 18, 2007 #2 Fresh activated charcoal can/will absorb iron and some other trace minerals.
