Re: [GSAS-Member] Hydrogen Peroxide to remove Algea

[John Ruhland <john@drruhland.com>]

Tom,
I really appreciated knowing the maximum dose of H2O2 that an aquarium 
can tolerate. Where did you learn that?

Since 1 ounce is about 30 ml,  that works out to 3 ml per gallon.

That explains why I can add 0.5 ml per gallon for several days in a row 
without causing any harm to anything besides the ich.
Even if the H2O2 did not degrade (which of course it does - into water 
and oxygen), it would be safe to add 0.5 ml daily for about a week 
before needing to do a water change. I think the longest I did was 
about 10 days, when my Salvin's cichlid was torn up, I added it (along 
with many other things) to prevent nasty microorganisms from 
establishing themselves in the wounds, and killing the ones that were 
already present.

I imagine all the nitrifying bacteria are killed by even the 0.5 ml per 
gallon dose. That could end up causing other problems in a well-stocked 
aquarium. What is your experience? I have only used it in my hospital 
tank.

John






On Jan 14, 2006, at 8:00 PM, Tom Watson wrote:

I don't know what "brush algae" is.  I am talking about filamentous 
algae. At 1 ounce to ten gallons (do not exceed this ratio) hydrogen 
peroxide will only kill the algae.  Your plants and fish won't be 
effected.  If you re-apply be sure to do a water change first.  
Otherwise the build-up will kill your plants.  It is best to apply and 
then stand back and watch for a week to ten days.  Hydrogen peroxide  
biodegrades.  At that point if you need to re-apply, be sure to do a 
water change first.

Tom

> Date: Fri, 13 Jan 2006 21:03:27 -0800
> From: "Kathy and John Weber" <katiejuan@charter.net>
> Subject: Re: [GSAS-Member] Hydrogen Peroxide to remove Algea
> To: "Greater Seattle Aquarium Society member chat"
> <gsas-member@thekrib.com>
> Message-ID: <000301c618c7$db457a80$6401a8c0@KATIE>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=response
>
> does this work on brush algae...it is by far the most difficult to rid 
> your
> tank of....????  10 oz for a 100 gallon tank seems like a lot of
> peroxide...if this does not work...i could lose 800.00 in angel fish
> ----- Original Message ----- From: "Tom Watson" 
> <onefish2fish@comcast.net>
> To: <gsas-member@thekrib.com>
> Sent: Friday, January 13, 2006 8:33 PM
> Subject: [GSAS-Member] Hydrogen Peroxide to remove Algea
>
>
> > A technique for algae removal I learned from Laura Burbage, a graduate
> > student and a NANFA (http://www.nanfa.org/)  member was:
> >
> > "If you want to use hydrogen peroxide, use 1 oz per 10
> > gallons (when using the 3% pharmacy grade stuff).  So,
> > 50 gallons = 5 oz peroxide."
> >
> > Put it in and let it work.  Don't do a water change until the algae is
> > looking bad.  Don't re-treat with hydrogen peroxide without doing a 
> > water
> > change of at lest 30%
> > Tom
> > West Hyblos Creek Drainage
> > Washington State
> > Director and PNW REP NANFA
> > http://www.nanfa.org/
> >
> > > Date: Fri, 13 Jan 2006 07:33:38 -0800
> > > From: "Kathy and John Weber" <katiejuan@charter.net>
> > > Subject: Re: [GSAS-Member] Rocks
> > > To: "Greater Seattle Aquarium Society member chat"
> > > <gsas-member@thekrib.com>
> > > Message-ID: <000301c61856$ba25c790$6401a8c0@KATIE>
> > > Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> > > reply-type=response
> > >
> > > hey John...read your e mail...im new to the chat...i am having a 
> > > problem
> > > with brush algae...i have a 100 gallon aquarium freshwater ....with 
> > > 16
> > > huge
> > > angel fish...some algae eaters, a bottom feeder, etc. ...i have a 
> > > large
> > > canister filter with a UV and 2 undergravel filters.
> > >
> > > the ph is perfect, no nitrites...i monitor all and more each 
> > > week....i
> > > have
> > > lowered my lighting to less watts
> > >
> > >  the algae grows on glass, plants, driftwood....just everything!..the
> > > algae
> > > eaters (siamese, florida flag fish...etc) will not touch it..i guess 
> > > they
> > > prefer bloodworms and brine shrimp.
> > >
> > >
> > > about once every  2 months, i have to remove all the plants, soak 
> > > them in
> > > a
> > > solution of 20/1 of water and bleach...take out the driftwood, 
> > > detach the
> > > ferns that is growing on it and allow the wood to remain in the sun 
> > > for 3
> > > days...it kills the algae of course.
> > >
> > > reattach the ferns...the process seems to take all the fun out of 
> > > having
> > > an
> > > aquarium.
> > >
> > > my question to you is...will hydrogen peroxide kill the algae?  if it
> > > does
> > > and is not harmful to the fish...i could soak the driftwood in the
> > > stuff....would not take 3 days in the sun...you understand that the 
> > > wood
> > > will absorb the hydrogen peroxide...so it cant be harmful to the
> > > fish...thanks for your time...john

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Dr. John F. Ruhland
The Natural Health Medical Clinic
4002 - 25th Avenue S, Seattle, WA 98108
206-723-4891
www.drruhland.com


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