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post #1 of 7 (permalink) Old 12-17-2013, 12:54 AM Thread Starter
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Question

I got an ammonia spike tonight after I've been at 0 ammonia and nitrites for the last 10 days and between 5 and 10 for nitrates.

Here is what i did since my last test yesterday evening:

20% water change (forgot to add prime before putting the water in the tank. However the water was in the bin for 24 hrs) added prime after the water is in the tank
Siphonned some of the sand surface ( i have a dsb of 3 to 4 inches)
During siphonning, saw a dead body of a shrimp added saturday morning.
Gave food yesterday and an algae wafer to the shrimps. They finished eating it this morning.

I have had ammonia spikes regularly during weeks 6 to 8 of the tank but since 10 days i was at 0. Anything i could have done that could do this?

This is a fluval edge 12g planted with hygro, cabomba and anubias.

I currently have 6 neons, 2 black phantoms, 5 amanos, 4 yellow shrimp and a nerite snail.

i am at week 11 for the tank.

I also dose flourish(2 times a week 1ml) and flourish excel (daily 1ml)

Thanks for your help... Getting tired of these amonia spikes....
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post #2 of 7 (permalink) Old 12-17-2013, 02:32 AM
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Dead bodies decay to ammonia! Small ones can make a big hit sometimes. Prime before during or after is okay. The longer before it is added the more burn to soft tissue but a matter of minutes is not fatal. Think of it as sunburn to the gills?
For ammonia, I recommend continue testing and water changes to keep it down. Be slow to do the first filter cleaning as the new bacteria seem to be easy to upset. Water changes to keep pollution down is better than risking losing a lot of the good bacteria by a too soon, too harsh cleaning. I also go easy on the sand cleaning for a while. A little grungy stuff in planted tanks is not as bad as too much disturbance, too soon. You can get the dirt out later.
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post #3 of 7 (permalink) Old 12-17-2013, 02:45 AM Thread Starter
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Hey Plantedrich,

Thanks for the reply. For the filter change, at the moment i just squeeze my prefilter sponge and the filter sponge in the old water once a month.

Regarding the body, it could have been there for up to 10hrs... Could have caused this spike?

Also, is it normal my amano go crazy after each water change? They start running around for a good 3-4 hrs.
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post #4 of 7 (permalink) Old 12-17-2013, 12:14 PM Thread Starter
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Forgot to add that on Sunday I cleaned the aquarium of snails and removed approx. 10 and squashed about 20 on the window. Could this cause the spike?
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post #5 of 7 (permalink) Old 12-17-2013, 03:39 PM
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For a newish tank it seems things go off a bit much easier than later. Squishing a few snails will leave a bit of dead meat that does add to the bio-load of the filter. Being a simple thinker, I look at the new bacteria kind of like new guys on the job. They are there and there may be enough to get the job done but any little change gets it in a mess more than after they have been there longer! Sometimes kind of like the weekend crew at a fast food place? The numbers are there but if you ask for anything special, it may take forever!

No experience with the shrimp but I have read they are more sensitive so likely they will "feel" the water change more. Maybe like a spring rain and they want to breed?
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post #6 of 7 (permalink) Old 12-17-2013, 04:34 PM
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I had a similar issue. I put 12 ghost shrimp in my 55g to do some clean up. They did their job but about 2 weeks later I had a spike in ammonia. I found 6 dead shrimp all along the back of the tank. I learned my lesson.
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post #7 of 7 (permalink) Old 12-18-2013, 02:08 PM Thread Starter
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Thanks everyone.

Yesterday evening all parameters came back to normal.

Ammonia 0
Nitrite 0
Nitrates 5

Just to make sure will do 2 times a week water changes (20%) instead of once.

Thanks for all your comments.
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