This is about Zorro my little betta who isn't healing that well from a tail issue.
Housing
What size is your tank?
10 gal
What temperature is your tank?
82F
Does your tank have a filter?
yes
Does your tank have an air stone or other type of aeration?
no
Is your tank heated?
yes
What tank mates does your betta fish live with?
none
Food
What type of food do you feed your betta fish?
NLS Pellets Hikari worms
How often do you feed your betta fish?
pellets= 3/2xday worms= 1 worm 2xweek
Maintenance
How often do you perform a water change?
haven't had to yet, all levels are 0.
What percentage of the water do you change when you perform a water change?
so far i've only added clean conditioned water. no changes yet all levels are at 0
What type of additives do you add to the water when you perform a water change?
prime
Water Parameters:
Have you tested your water? If so, what are the following parameters?
Ammonia:0
Nitrite:0
Nitrate:0
pH:
Hardness:
Alkalinity:
Symptoms and Treatment
How has your betta fish's appearance changed?
dorsal and ventral fins have tears in them. tail also has a tear
How has your betta fish's behavior changed?
has not changed, he is always moving and always hungry 
When did you start noticing the symptoms?
it has been almost 2 weeks now
Have you started treating your fish? If so, how?
no, just kept the water clean and warm
Does your fish have any history of being ill?
no
How old is your fish (approximately)?
no clue
you can see his dorsal is very bad it is progressing into the tail. you can also see the tear on his tail and his ventral as well. his ventral seems like it will soon tear as well. the front part of the ventral already has started tearing.