Tropical Fish Keeping - Aquarium fish care and resources

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xfatdannx 04-02-2013 12:19 PM

Are my fish developing Fin Rot?
1. Size of tank - 6 gal Fluval Edge

2. Water parameters
a. Ammonia - 0ppm
b. Nitrite - 0pp
c. Nitrate - 10-20 ppm
d. pH, KH and GH - pH - 8.2 - no test for KH or GH at the moment
e. Test kit - API liquid

3. Temperature - 78-82*

4. FW

5. How long the aquarium has been set up - Since end of Jan

6. What fish do you have? How many are in your tank? How big are they? 6 Phantom tetras, ranging from 1 to 1.5 inches, have had 5 for 6 weeks, added one two weeks ago. (felt bad for it, last one in the store, all alone)

7. Were the fish placed under quarantine period - the 6th one was not

8. a. Any live plants? crypt parva, glossostigma, dwarf sag, el nino fern
b. Sand, gravel, barebottom? gravel
c. Rocks, woods, fancy decors? nothing else.

9. a. Filtration - Aqua Clear 20
b. Heater - Aquereon 50w

10. a. Lighting schedule? 2 10w halogens 8 hours a day
b. Any sunlight exposure? no direct light

11. a. Water change schedule every day the last few weeks, been trying to rid of cyano
b. Volume of water changed - 20-50% depending on if they were fed the same day
c. Well water, tap water, RO water - Tap
d. Water conditioner used - NutriFin Aqua Plus
e. Frequency of gravel/sand (if any) vacuumed - every time

12. Foods - blood worms, spektrum, and flakes (rotating sched)
How often are they fed - usually every other day, been two days off one day on the last 2 weeks

13. a. Any abnormal signs/symptoms - fins seem to be splitting along the "spine" looking part that goes from body to end of fin
b. Appearance of poop - i see non
c. Appearance of gills - nothing abnormal

14. a. Have you treated your fish ahead of diagnosis - no
b. What meds were used?

It seems the fins are splitting from the "spine" looking piece that are in the fins, no actual fin deterioration yet.

MoneyMitch 04-02-2013 02:33 PM

you mention you have cyano and your nitrates seem a tad high. cyano likes excessive orginic breakdown/low02 try getting some better waterflow and some surface breakage/aeration along with some aggressive gravel vaccing to remove excess organics. getting rid of cyano can take a few weeks with the mentioned routine.

the fins splitting isnt nessicarly finrot, may just be some fin nipping going on in the tank. a tell tale sign of fin rot is a milky looking film on areas of the fins. good water changes can cure this or even melafix. but if you are going to be doing very frequent waterchanges it should clear up on its own. takes about 2 weeks or so for the fins to grow back once the rot is gone in my experience as long as the damge isnt like half or more of the fin gone.

jaysee 04-02-2013 04:43 PM

A picture is worth a thousand words.

MoneyMitch 04-02-2013 05:55 PM


Originally Posted by jaysee (Post 1623073)
A picture is worth a thousand words.

couldnt agree more

xfatdannx 04-03-2013 01:04 AM

Ya, i understand but i could not get any pics to turn out through the glass. i will try again tomorrow.

xfatdannx 04-03-2013 01:14 AM

The cyano started when i went out of town and accidentally left the lights on for 48 hours straight, shortly after going back to a normal lighting sched, i added osmocote (ferts) for the plants (advised by LFS...). After adding to aquarium and reading more, the osmocote released ammonia, thus being cycled and turned to nitrate, causing a boom in nitrates. Nitrates popped to 60ppm that week! when i saw this i got my net out and fished all the osmocote pellets out, and started my daily water change, and spread out their feeding period to help reduce nutrients. The fish were freaked out for a few days after normal lighting was returned but the next week their colors were back to normal and didn't show any signs of stress, coloration wise. This problem now, i have only noticed over the last few days.

Also, not sure if this needs to be noted, the first 5 were introduced while treating for ich. (previous fish died of shock when adding too much salt too fast - added new ones while treating so i would not get it again immediately after treating). So 5 of them have been in aquarium salt water before, not sure if that is a route i should take again, but i have the salt on hand if i need to use it.

xfatdannx 04-05-2013 03:28 AM

***DISCLAIMER: This is not my fish as i could not get a suitable picture***

If you notice in the picture below, my fish have a similar look where there is the splitting in the fin on the bottom. They also have this on their tails some. Let me know what you think. Thank you in advance!!!!


I think i found the answer on the Wiki page for my fish...

"While it is not particularly colorful, it makes up for this by its display behavior: the males are territorial and defend their space against their neighbors by presenting themselves in profile with the dorsal and anal fins fully extended, and the dark color intensified, making the edging of the body patch stand out prominently. Sometimes they exchange blows which can tear the fins, but this damage heals quickly"

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