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Re: Aquatic Plants Digest V2 #1006

Subject: Re: bleach treatment

>You should be aware that when you
>collect wild plants and live foods, that you are probably getting a few
>hundred individual species (or more) with a sample. That 99 of these
>species do not propagate and in some cases actually die will be of
>little consolation if you introduce a virulent species of thread algae
>which just happens to thrive under your specific conditions.

One of the reasons that I _do_ quarantine all wild collected plants and

>Karen has often mentioned her unique water conditions which are very
>high in copper. I think she has said that there are many types of plants
>that she just doesn't grow because they can't tolerate the copper. I
>guess you could consider that copper in the water a mixed blessing. ;-)

While the comments on copper supressing certain species of algae are
certainly accurate, my observations are not based only on my current tap
water.  My experience has been the same with a number of other water
supplies.  Only a relatively few species of algae have seemed to be adapted
to _any_ specific water supply.

>I think some of the best reference material I have on algae species is
>in TAG. The conventional plant books tend to classify things as "fur",
>"thread", "brush", blue-green etc. Very unhelpful. Is there a good
>reference book on algae? I'm too lazy to search the APD archives but I'm
>pretty sure it's been mentioned in there (somewhere).

The one I have, and like is:

"How to Know the Freshwater Algae" by G.W. Prescott, Ph.D.  Unfortunately,
I can't find an ISBN# on it, and it's probably out of print.  The copyright
of my revised edition is 1964, and the publisher is Wm. C. Brown Co.

Karen Randall
Aquatic Gardeners Association