Disoriented fish ? - The Planted Tank Forum
LinkBack Thread Tools Display Modes
post #1 of 2 (permalink) Old 01-13-2006, 11:46 PM Thread Starter
PTrader: (0/0%)
Join Date: Dec 2005
Posts: 52
Disoriented fish ?

Hi Anyone had any problems with fish getting disoriented ?

At lights out tonight one of my hatchets went madly darting about the tank and wedging itself into some hair grass. It was clearly disoriented for several minutes. A few minutes later it was swimming with the others.

I have four lights, but they are on three timers to simulate dawn and dusk, so I don't think it's the lighting that causing it.

I wonder if it's because at the end of the day, I have two air stones come on to drive out the CO2 and keep the fish safe during the night and it's causing the ph to change too rapidly ?

I've only got DIY CO2, but it gives about 30ppm with 2 * 2 litre bottles on a 200 litre tank and the plants were pearling well today.

My thoughts are either to get rid of the air stone and instead use a power head to disturb the surface to give a more gradual release of CO2 or to program the air stone timer so that it comes on intermittently for short periods during the first hour after lights out before coming on full, to give the fish more time to adjust to the ph swing....

I guess the other thing would be to buy a solenoid that could be operated on a timer, that could vent the co2.

Any thoughts ?
karl is offline  
Sponsored Links
post #2 of 2 (permalink) Old 01-14-2006, 06:12 PM
Wannabe Guru
TAF CAF's Avatar
PTrader: (12/100%)
Join Date: Jan 2006
Location: Bailey, Colorado
Posts: 1,176
could also just be 'lights out'

Some of my more skittish fish freak out when the lights sudenly go off and it is dark. I try to turn lights on and off in stages... room lights on for about 15-30 minutes, then tank lights... tank lights off for 15-30 minutes, then room lights off.

Something so expensive and addictive HAS to be illegal. I'm just waiting for the police to break down my door and confinscate my fish food.
What's my sign? I'm an aquarist. --- 18g Planted Guppies, 15g Planted Killifish, 40g Planted Molly, 55g Asst Cichlids, 120g Planted Community, 60g Salty Reef, 180g Planted Goldfish

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