Does Co2 mess up a fish-in cycle? - The Planted Tank Forum
LinkBack Thread Tools Display Modes
post #1 of 3 (permalink) Old 11-14-2011, 08:09 PM Thread Starter
Algae Grower
pageerror404's Avatar
PTrader: (0/0%)
Join Date: Oct 2011
Location: Redding, Ca
Posts: 95
Does Co2 mess up a fish-in cycle?

Before I changed to my fluval edge, I had a couple fish in a 5.5g tank and I was trying to cycle while growing plants at the same time. I went to the pet store for a water test after quite a while and the test showed pretty much no real progress with the cycle. It also showed a very low ph. The woman working there seemed to think that my DIY co2 system caused the water to become to acidic and it killed off the bacteria I needed.

I have another tank now, and it's about 4 weeks into its cycle and it actually is making progress. However I want to set up co2 again for my plants. Is there any truth in what she said about it killing bacteria?

I also had a piece of driftwood in the tank, which I know can lower ph, but its in the new tank too, which has normal levels.
pageerror404 is offline  
Sponsored Links
post #2 of 3 (permalink) Old 11-14-2011, 08:42 PM
Planted Tank Guru
PTrader: (18/100%)
Join Date: Jul 2010
Location: North NJ
Posts: 2,246
softwater tanks have no issue with cycling, so don't worry. you just need to be patient. And yes if your pH is low because of the CO2 (it shouldnt be lower than 6pH) that will not affect your cycle. although you can use CO2 while cycling, its probably best to wait until you're done, in order to make sure that w/e happened the first time doesn't happen again.

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Newman is offline  
post #3 of 3 (permalink) Old 11-15-2011, 09:36 PM Thread Starter
Algae Grower
pageerror404's Avatar
PTrader: (0/0%)
Join Date: Oct 2011
Location: Redding, Ca
Posts: 95
I discovered the problem. I was using a horrible mixture of yeast and sugar that was producing an incredible amount of CO2. I set it up again and noticed the fish gasping at the surface. So I changed the water and used a weaker yeast mixture.
pageerror404 is offline  


Quick Reply

Register Now

In order to be able to post messages on the The Planted Tank Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome