I know this is probably not it at all, but....what test kits are you using? Are they older? I know the chances of all of them failing at once is remote...to say the least! But hey....
Maybe you could take a sample for someone else to test? *shrug* I just bought a new bucket of Kent. I'll test it this weekend and let you know the results.
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~Drew
10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W
Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz
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