does increased CO2 lead to algae...

flipsta

AC Members
Mar 27, 2010
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hello everyone

i am adding a DIY CO2 setup to my 25gal. i have read that if not done correctly i can get crazy algae growth... is this true?

:)
 
From what I understands .. all things in your tank needs to be balanced ... nutrients, light and CO2 in order to control / eliminate Algae.

So, adding CO2 while may be a good thing, if it not balanced with the others wont help much.

Finding that balance is the art / chemistry of an aquarist / fishkeeper rather than a random hobbyist.

Hope this helps.

Best wishes,
Wes
 
What you need to worry about much more than CO2 are things like phosphates. As they get elevated at all, they make algae just go crazy, and in their absence, algae is fairly under control.

As wespastor said, it's all about balance, and CO2 would only do that if other causes of algae are already at play.
 
I worded that wrong, sorry... When I said "elevated at all," I really meant that too much po4 is a large contributor of algae, not to mean that low levels are bad.. I dosed my planted tank too, and some is essential.
Sorry again for that misleading post.
 
I worded that wrong, sorry... When I said "elevated at all," I really meant that too much po4 is a large contributor of algae, not to mean that low levels are bad.. I dosed my planted tank too, and some is essential.

I still disagree. This myth has been debunked summarily. Dose til your heart's content with PO4.

To the OP, you will more than likely be dealing with some BBA if you're going to use DIY CO2. It's very hard to keep these setups consistent. Even if you change bottles religiously, you'll still be dealing with too many variables to keep a rock solid bubble rate. I recommend trying out DIY by all means. It's a good stepping stone to seeing what CO2 can do for you. Before too long you'll be saving up for pressurized! ;)
 
I still disagree. This myth has been debunked summarily. Dose til your heart's content with PO4.

To the OP, you will more than likely be dealing with some BBA if you're going to use DIY CO2. It's very hard to keep these setups consistent. Even if you change bottles religiously, you'll still be dealing with too many variables to keep a rock solid bubble rate. I recommend trying out DIY by all means. It's a good stepping stone to seeing what CO2 can do for you. Before too long you'll be saving up for pressurized! ;)

Do you have any links to show the debunking of the phosphate "myth"? I would like to see it. I have plenty of dry phosphate here that I haven't been using for fear of algae.
 
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