Sick betta-how to help?

[lairexin]

I purchased a female betta about a month ago,and a week later after her introduction into my community tank(after a week of quarantine in an 8 gallon),she developed ick.I then transferred her back to the 8 gallon tank which is then treated with oceanfree ick,slime and velvet go away! for 2 weeks since i heard that full ick treatment takes at least 2 weeks.
Yet after her white spots vanished ,she remained lethargic and stayed at the bottom after having to transfer her to a uncycled permanant 3.6 gallon tank.She is currently not eating at all,no signs of parasites but her coloration turned pale,and sits at the bottom all day.
I used the old media hoping for a quick cycle,but it appeared to fail...
What to do,she had been in this state for a more than a week already?
The fourth picture was taken a week ago when she started to lay at the bottom,the rest are from today.

 

[Rbishop]

Readings on that tank from a good liquid test kit?

 

[lairexin]

i do not have a kit

 

[Rbishop]

You really should have one. Without one, It's hard to identify issues. I'd be doing daily water changes.

 

[lairexin]

ok,i am getting a test kit tomorrow,but do i have to get the complete set?

 

[Rbishop]

It would be best to get the master kit that tests
Ammonia
Nitrite
Nitrate
pH

At a bare minimum, ammonia and nitrate. Liquid, not the dip strips.

 

[lairexin]

okay thank you