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post #1 of 8 (permalink) Old 01-17-2009, 07:56 AM Thread Starter
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Sudden Crash

Yesterday my low light tank{20 gallon} was partially crashing. I have my dario darios, and clown killifish there! Overnight my floaters turned to mush. I took apart the filter and gave it a pretty good cleaning, it was dirtier than I like. It's possible I let it go too far? I did a water change.I cannot imagine the bulbs would be due for replacement, the tank was set up in the middle of september. Anyone have plants just go south like this? What should I be testing to find out the problem, maybe NO3 is up? NH3 spike? Perhaps I was a little too heavy handed with the last feeding?
The crypts and anubias have alot of bba, so recently I backed down the time from 8 hours to 7. Maybe that is not enough?
Luckily no deaths, but I am concerned. I noticed my amanos hanging in a strange place by the filter intake. Usually they are all over the tank.
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post #2 of 8 (permalink) Old 01-17-2009, 02:22 PM
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hmmm. floater turned to mush? that's a weird one.
It can't be a NH3 spike.. That would harm the fish too I'm assuming.

What's your wattage, and fert schedule? CO2?


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post #3 of 8 (permalink) Old 01-17-2009, 02:24 PM
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Also, what's your temp? I've had floaters mushify, and I think at least sometimes it's due to high temperature. Maybe.
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post #4 of 8 (permalink) Old 01-17-2009, 02:39 PM Thread Starter
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I will run some tests today. The temp was up almost a degree, 76.9.
The lighting is the 30" coralife T-5, it's 36 wts. NO CO2, or ferts. They have been in the tank & growing and multiplying for a couple months.
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post #5 of 8 (permalink) Old 01-17-2009, 04:27 PM
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oh, your tank probably ran out of nutrients after a couple of months... I know it's a low-tech but sounds like it's out of certain micro-nutrients, probably some macros too like, K which don't come by easily.


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post #6 of 8 (permalink) Old 01-17-2009, 05:50 PM Thread Starter
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Hmmm.. interesting. So I am supposed to dose a low tech? Never knew. Do I do it just lightly? Do I dose excel too? K=potassium, right?
edit: I added a capful of seachem trace, and a capful of potassium. I also have the N,P,&K dry I could start using.
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post #7 of 8 (permalink) Old 01-17-2009, 07:22 PM
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yeah, you need to add ferts, obviously not as often as a hi-tech tank... Tanks with soil underneath will not need ferts. K = potassium.

I'm a bit envious. I've been trying to get rid of duckweed for years now...


ps. if most of your plants are root feeders, you might just want to add root tabs and that's it.


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post #8 of 8 (permalink) Old 01-17-2009, 07:50 PM Thread Starter
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Hehe..I could kill it for you, where's it at, let me at it..
Thank you
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