6 - 8 months depending on how often we use it. Normally you can get another 2 months out of it after the light starts flashing to warn you.
Ajax has some preety heavy water (No Pickering Nuke Jokes!) with a lot of lime.
The Water does work better with the filter. -- »www.codecipher.com - Marking the way to tomorrow's solutions -- Did you know that Perl is not Dead? »perlisalive.org/
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