Joined: Feb 24, 2007 Posts: 4066 Location: Miyapur, Hyderabad
Posted: Wed Jun 20, 2007 4:45 pm Post subject: Glutaraldehyde - Strike Back
for a long time I was looking for a additional Carbon source along with my DIY CO2(Main reason, as of now my pocket is not permitting me to get pressurized CO2 setup). Then I found Glutaraldehyde can be used as another Carbon Source to plants.
Instead of making that Old thread alive, I am starting a new thread. In the Old thread, there is no final updates from the people who joined Glutaraldehyde Bandwagon at very early stage.
I am starting with a new 4x2x2 Planted tank and planning to add Glutaraldehyde in a regular basis as secondary source of Carbon as well as for algaecide. But before jumping into that, need to clear some confusion still am having.
1. Will it be sufficient as a Carbon source along with a DIY CO2 reactor (2 Bubble/Sec) in a 4x2x2 Planted tank?
2. What will be the dosage, if I prepare solution using 30ml 25% Glut with 500ml Water, in my tank?
3. If we use correct amount of Glut in Aquarium, is there any potential threat for any Plants and Fishes? (I read high usage of Glut can be harmful to Vals, Riccia, Java Moss etc etc).
If you have any advice or any updates, please share.
Joined: Jun 29, 2003 Posts: 7084 Location: Bengaluru, India
Posted: Wed Jun 20, 2007 6:18 pm Post subject: Re: Glutaraldehyde - Strike Back
That thread gives the dosage of Seachem's Excel, the Glutraldehyde dosage was tailored as per that, with testing of the original Seachem Excel sample I sent him and calculations by Arup.
I don't have a bottle of Excel with me now to advice you if alternate days dosing will do, check with Arup. It is better to provide steady state conditions always, and not oscillate between high and low.
Joined: Aug 19, 2005 Posts: 4895 Location: Mathura, UP
Posted: Thu Jun 21, 2007 9:40 am Post subject: Re: Glutaraldehyde - Strike Back
A steady supply of glutaraldheyde will be more benefecial than off & on.
Vals, moss do not do good with glutar, they either die if dose is high or just stagnate on low doses.
Fishes do not seem have any problems with low doses of glutar, however invertibrates like snails get killed by it.
In my opinion glutar is more effective in smaller tanks where providing diy co2 is difficult to prepare.
As an alternate you can provide more bottles of Co2.
Glutar is more effective as an algaecide, also it has handling issues, please take adequate precautions while handking it. if possible do not does 25% glu directly, dilute it first, this makes it safer to handle.
My experience with glu has been so so, handling this thing is a big problem in itself, specially if you have nosey kids around.
BTW keep us posted.
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