Do you guys discard a DI cartridge at a reading of 1 or just keep it till it goes higher? I remember reading about DI releasing ammonia (something about binding power) first when exhausted, Any truth to that? If that's true then one shouldn't even have two inline as after the first is exhausted it'll just saturate the following one with ammonia? Thanks for your help.
Updated 03-06-2011 at 09:58 PM by melev
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