wellmax Posted October 16, 2010 Report Share Posted October 16, 2010 Hi all does any of our members here use a Eheim Co2 Monitor? My question, the box says it is a permanent monitor. Is there a lifespan to the 4 drops of test fluid you place with the one mil. of tank water??. Hope someone can help. Regards. Quote Link to comment Share on other sites More sharing options...
Ice222 Posted October 16, 2010 Report Share Posted October 16, 2010 I have one of these as well. Apparently you're meant to redo the test whenever you do a water change, so assuming you do water changes once every 1-2 weeks at least, then it shouldn't matter? The thing doesn't work for me though . White fluffy stuff keeps growing on the suction cup and skewing the readings of mine. Quote Link to comment Share on other sites More sharing options...
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