Quote:
Originally Posted by Smudge
I just went through the same thing with my Red Sea Test Kit. My readings were 380 and I was increasing my dosing. In the end I was well over 500 and my kit still read 380. I stopped dosing and it took over 2 weeks for the level to drop to 400. New Red Sea Test kit compares to my Salifert one now. Mine was not in the recall range as well.
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I would suspect the Red Sea kit if my other kits readings where different but they where exactly the same.
Tested again after my water swap with all 3 kits, all read 500.
Also checked the expire date on all the kits as well, not even close to the date of expire.
Will do another water swap tomorrow night.