The one thing about a used tank is you don't know really what was in it & if there where any meds used. Silicone can absorb all kinds of crap if it is old & leach out in saltwater.
I seen the parameters & I think something is off with your nitrate test. Might be a faulty test kit, it happens some times. Even if it test zero in RO doesn't mean it's good.
Last edited by The Grizz; 10-23-2012 at 05:59 AM.
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