Re: [APD] Strange cyano like algae

["Tomoko Schum" <tomokoschum at knology_net>]

Hi y'all,

I am happy to report that I have gotten rid of the strange
cyano like algae just by increasing CO2 back up to the
previous level.  No black out was necessary.

I still have a few small patches of the fuzzy green algae
here and there.  It looks like real loose green fiber fill.
It has a somewhat coarse texture.  I wonder what this may be
and if a 4 to 5 day blackout will get rid of it.  Any idea?

I also like to thank Vaughn for recommending the brass check
valve.  Two days ago while I was replacing an empty CO2
cylinder for a calcium reactor on my reef tank, I noticed my
plastic check valve was cracked.  The rubber piece inside
was stuck and bent.  I am going to replace both check valves
with better ones.

Although the brass one on the site that Vaughn recommended
looks fine, I am tempted to order an ADA's Cabochon Ruby.
But then again, I am afraid of dropping it on my floor...

Tomoko



----- Original Message ----- 
From: "Vaughn Hopkins" <hoppycalif at yahoo_com>
To: "aquatic plants digest" <aquatic-plants at actwin_com>
Sent: Wednesday, December 06, 2006 10:08 AM
Subject: Re: [APD] Strange cyano like algae


> Rex Grigg sells a very nice brass check valve that I use.
See http://
> www.rexgrigg.com/sale.html.  I have been using it since
early in the
> summer, with no problems at all.
>
> Vaughn H.
> On Dec 4, 2006, at 11:40 AM, Tomoko Schum wrote:
>
> > Greetings from the sunny but chilly South.
> >
> > I am a bit puzzled about this algae that showed up in my
> > tank recently.
> >
> > The algae coats the edges of the leaves and make the
plants
> > look dirty.  It is black and slimy like cyanobacteria,
but
> > it does not have any smell.  Up close it appears fuzzy
like
> > BBA but it comes off the leaves easily like it's some
sort
> > of detritus.  Curiously I have red slime algae in my
salt
> > water tank that coats the sand surface like
cyanobacteria
> > which also have a fuzzy appearance.
> >
> > I cleaned my Eheim and its pipes and did a 75% water
change,
> > but it does not go away.  While cleaning I noticed that
my
> > CO2 level is lower than my original setting.  It turned
out
> > that my new check valve is too strong and it is slowing
my
> > CO2 flow rate.  I increased the flow back up and added
the
> > fertilizers (according to Tom Barr's instructions as I
have
> > been doing for a few years now.)  It looks as though the
> > algae is coming back.
> >
> > I am wondering if I should treat the tank with Maracyn
or I
> > should do a 4-day blackout.  Or should I just watch and
see
> > how the increased CO2 level helps the tank?
> >
> > Oh, one more thing.  Which check valve are you all using
on
> > your CO2 line lately?
> >
> > Tomoko
> >
> > _______________________________________________
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> > Aquatic-Plants at actwin_com
> > http://www.actwin.com/mailman/listinfo/aquatic-plants
>
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