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Re: blue-green algae and calcium

To: Aquatic-Plants at actwin_com
Subject: Re: blue-green algae and calcium
From: ac554 at freenet_carleton.ca (David Whittaker)
Date: Fri, 3 Oct 1997 02:57:23 -0400 (EDT)

Jim Kostich says....

>   My own experience has been that blue-green algae is
>most commonly a problem in saltwater tanks or freshwater tanks with fairly
>hard water.  I almost never see it in planted aquariums in which half or
>more of the water is R/O (GH<5).

GH<3 here in Ottawa. I've never had a problem producing blue-green
algae. My theory, previously stated, is that it is adequate oxygen
levels in the water column that hold it in check. Circulation pumps
are one method of providing this.

--
Dave Whittaker
ac554 at FreeNet_Carleton.ca

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