Crashed My System And Losing My Mind

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Jenste

Resurrecting the Passion of Fishkeeping
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Recently turned my 72 gallon into a Discus tank.

6 juvies, between 2.5" and 3.5". Knew about the sensitivity issues due to size, felt up to the challenge as I have been keeping fish for years, including breeding three species of ACF, axolotls, and angelfish.

Other stocking includes 6 threadfin rainbows (was 7, one jumped out of the net during substrate change and was found too late), 6 sparkling gouramis and 1 german Blue Ram.

The other day I made the move to change my black sand to play sand. That is when the trouble began.

Yesterday, a day after the change, one of my 2.5" Discus died, readings were Ammonia 0, Nitrite 0, Nitrate between 0 and 5. The tank had received a 100% waterchange during the substrate change. The tank had been getting multiple water changes weekly since the Discus had been added anyways.

This morning my GBR is sitting on the sand, breathing alternating between fast, labored and slowing.
Tested the water and was between 0.5 -1.00 Ammonia, 0 Nitrite 0 Nitrate.

I did a large water change.

I am panicking. I fear that yesterday when I filled up the tank from the tap and treated with Stress Coat that I did not give the Stress Coat ample time to spread and may have turned the filters on too soon, sucking up non treated water. Could I have wiped out my entire filters?

Panicking is probably putting it mildly. I am full out freaking.

Also, tank has been set up a few years. Two Fluval 405s on it, moderately planted low tech system.
 
Jenste said:
I fear that yesterday when I filled up the tank from the tap and treated with Stress Coat that I did not give the Stress Coat ample time to spread and may have turned the filters on too soon
 
 
is this just stress coat? or does it have a dechlorinator in it? not all of them do!
 
It is API Stress coat, detoxifies Chlorine and Chloramine.
 
no, that is not your problem....
 
even a 100% water change with no dechlorinator would not kill even 25% of your bacteria
 
 
Jenste said:
I fear that yesterday when I filled up the tank from the tap and treated with Stress Coat that I did not give the Stress Coat ample time to spread and may have turned the filters on too soon, sucking up non treated water. Could I have wiped out my entire filters?
 
 
Reading around and responses on other forums (posted everywhere while panicking) makes me feel like a fool for not realizing that I would be risking a cycle due to bacteria lurking in the sand being removed.

Lovely. Well..I have been doing oodles of water changes anyways....just gotta keep doing them.

The fun never ends.
 
Sorry to hear about your trouble...  Keep your head up and keep up with the water changes...  It will stabilize.
 
Jenste said:
Reading around and responses on other forums (posted everywhere while panicking) makes me feel like a fool for not realizing that I would be risking a cycle due to bacteria lurking in the sand being removed.

Lovely. Well..I have been doing oodles of water changes anyways....just gotta keep doing them.

The fun never ends.
 
 
i disagree.....90% of your beneficial bacteria are in your filters.....the only exception would be if you were using a undergravel filter, which with sand you obviously were not
 
Stepped away, took a breather and am going to relax a bit.

What is done is done, The info about the substrate and bacteria was on another forum, and in my still panicked mode I am latching onto any and every idea tossed at me. For the moment they seem to be doing well. Will check the levels again in a few hours and see what pops up.
 
It may be that you've disturbed a layer of organic material in the sand that has released all in one go into the system. If that is the case then you should see a rapid recovery of the system. Keep up the water changes and keep an eye on things, but hopefully it'll stabilise quickly enough.
 
Agree with the 90% of Bacs being in the filter and not the sand/gravel etc.
 
I think we all have a "Moment" at some time or another..   My wife decided to clean my filter with FAIRY LIQUID !!!  OMG !  2 Weeks of daily water changes and all my levels were back to normal..
 
At least the fish were clean...
 
Ok, some pictures of the tank. Excuse the tower of driftwood. I have two pieces just sitting on the large piece as I don't know where to put them but don't want them to dry out either. They love the tower though and spend most of their time around it or swimming though it.

And a video.
http://s899.photobuc...t=VIDEO0246.mp4

IMAG2000.jpg

IMAG2007.jpg

IMAG2012.jpg
 

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