Hi everyobe I'm new to fish keeping and recently got a betta from the pet store I've had him for around 1 month now, he came in with some mild fin rot with just the edges of his tail blackened from there till now he has been doing well but this morning I woke up and his tail was all frayed his gills were blackened at the edges, as of now he is living in a 5 gallon tank with live plants only, I thought I might've been an ammonia spike so I've done a 50% water change but he isn't looking too good, pls help!
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Please take a moment to answer these questions. The more info you can give the faster we can help.
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1. Size of tank?
2. Water parameters
a. Ammonia?
b. Nitrite?
c. Nitrate?
d. pH, KH and GH?
e. Test kit?
3. Temperature?
4. FW (fresh water) or BW (brackish)?
5. How long the aquarium has been set up?
6. What fish do you have? How many are in your tank? How big are they? How long have you had them?
7. Were the fish placed under quarantine period (minus the first batch from the point wherein the tank is ready to accommodate the inhabitants)?
8. a. Any live plants? Fake plants?
b. Sand, gravel, barebottom?
c. Rocks, woods, fancy decors? Any hollow decors?
9. a. Filtration?
b. Heater?
10. a. Lighting schedule? What lights are used?
b. Any sunlight exposure? How long?
11. a. Water change schedule?
b. Volume of water changed?
c. Well water, tap water, RO water?
d. Water conditioner used?
e. Frequency of gravel/sand (if any) vacuumed?
12. Foods?
How often are they fed?
13. a. Any abnormal signs/symptoms?
b. Appearance of poop?
c. Appearance of gills?
14. a. Have you treated your fish ahead of diagnosis?
b. What meds were used?
15. Insert photos of fish in question and full tank shot if necessary.