I know i'm asking for trouble but.... - The Planted Tank Forum
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post #1 of 4 (permalink) Old 09-06-2005, 02:50 PM Thread Starter
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I know i'm asking for trouble but....

Been having terrible luck creating a large school of cardinals. Bought 15 from lfs, most died, a week later bought 10 from different lfs (they were not eating at the time) and most died. Had five still alive after this.

Bought 30 from Drs. Foster & Smith last week. Shipped overnight from LA to Richmond. Since last thursday have lost 25. Big ich outbreak. Did 2 hour acclimation with lights out, 1/2 cup water added every 5 min for 1 hour, emptied 1/2 water and did it again, finally gently netting out the fish. Been treating ich since Sat.

Tank params are generally ok. Tank is 3 mths old. Still have 10 alive (probably the old 5 plus 5 from this last iched batch). Have not lost any corys, otos, or loaches (have had them all over 2 months).

I swear I don't think I am causing these deaths. I watch everything closely

pH = 6.6
KH = 4-5
PO4 = 2-4
CO2 = 35-40 (off at night with the lights)
NO3 = 10-15
Temp = 78 degrees
Plants pearl at night so O2 is not a problem

So heres the crazy question:

I want to add 4 3-4" discus. (have wanted a planted discus tank for 4 years, just afraid to do it!) I have given up on a school of 35 cardinals. Is it ludicrous to consider the discus. 2 or 3 wc per week is no problem for me.
If I have had so much trouble with cardinals, does it portend bad things happening if I add discus?

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post #2 of 4 (permalink) Old 09-06-2005, 03:23 PM
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Where did you get them from? If they were all from the same place then you might have gotten a bad batch.
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post #3 of 4 (permalink) Old 09-06-2005, 04:17 PM
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I've considered discus for planted aquaria as well, and did a lot of reading. Important parameters for discus survival are GH (low) and Temp (high), neither of which are matched (or unstated. . .). I'm not sure how informed you are in keeping discus, but that would be a necessary first step before dropping lots of $$!

Honestly, I can't think why the cards aren't working out for ya, 'cept to say that i've heard they are very difficult to keep alive, especially in large groups!
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post #4 of 4 (permalink) Old 09-06-2005, 04:28 PM
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Try to see if you can find florida bred jumbo cardinals. They are more expensive but very hardy. I have had the same school for almost a year with only one casualty. I think the wild caught one are the ones with the problems. (Also I bought from a school that had been there for a while.) Once acclimated they are as hardy as guppies.

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