Re: What in the heck!?

[Scott <zerelli@yahoo.com>]

What are the current water parameters? pH, NH4 (or
NH3) Nitrate, nitrite etc. Do you use any CO2? How
long has the tank been up? It could be possible that
your substrate has gone totally anaerobic and caused
some problems or that the pH dropped so low as to wipe
out the bio-filter.


--- Brian Ahmer <ahmer.1@osu.edu> wrote:
> 
> 
> Here's a stumper for you.  I have a 75 gallon
> planted tank.  It has 
> potting soil under gravel for a substrate, tons of
> plants, some 
> cory's, 2 discus, 2 viejita, 4 rams.  I have a
> Magnum 350 hooked to 
> it just to circulate the water (no filter media in
> it).  The water 
> was tap cut with RO.   The pH never wanted to drop
> naturally so I 
> added seachem acid buffer on occasion to keep the pH
> under 6.5.  All 
> the fish have been great since I started the tank 6
> months ago.  Rams 
> spawned all the time but babies would disappear. 
> OK, enough 
> background...
> 
> Two days ago, I opened the Magnum 350 and added a
> canister of rinsed 
> Black Diamond carbon.  Today, I came home and all of
> the fish were 
> dead except 1 ram and 1 cory.
> 
> What's up with that!?
> -- 
> 
> Brian Ahmer
> ahmer.1@osu.edu
> http://www.angelfire.com/or/biggestbri
> 
> 
>
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