re:Urgent help needed!!! PH going downnn....

• To: Aquatic-Plants at actwin_com
• Subject: re:Urgent help needed!!! PH going downnn....
• From: George Booth <booth at hpmtlgb1_lvld.hp.com>
• Date: Tue, 30 May 1995 08:52:33 -0600

> From: DAWB.DSKPO33B at DSKBGW1_ITG.ti.com (David Webb)
> 
> Your plants may be de-calcifying the water.  Actually, this should be 
> de-carbonating the water IMO, but this is the term.
> 
> Some plants, in the absence of enough free carbon dioxide in the
> water, are capable of removing dissolved carbonates from the water to
> provide their carbon needs.  Others can't.  This may also explain your
> poor plant performance.  This is measurable as a drop in your KH.

The term used in _The_Optimum_Aquarium_ and a few other resources is 
"biogenic decalcification" and causes the pH to go UP not down.  

George

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