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Re: biogenic decalcification

Mike's question got left unanswered in all the concern over other things.

> Date: Sat, 18 Jul 1998 15:17:56 +0800
> From: taburnok at skyinet_net
> hi all .. few questions .. i now have alkaline water .. ph is about
> 7.6 ... although im adding CO2 to the tank .. it still the same ..


Probably this just means that your water is strongly buffered.  If 
you're getting biogenic decalcification, then you will see the pH rise 
(possibly over 9) under bright light and fall at night.  It wouldn't be 

Roger Miller