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Do these cheap water testers really work?
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23-09-2004, 04:40 PM
GeneS
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Do these cheap water testers really work?
Has anyone tested one of these water testers to see
if they actually work?
http://www.onestopgardens.com/osg/ta...temnumber=3106
Unfortunately, it does not test dissolved oxygen, that is, the amount
of O2 in the water...
THANKS,
Gene
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