Fin Fixed

Betta with fin rot that just sits at the bottom of his tank. what should i do for him?

Hello.I have a male betta with Fin Rot. All he does all day is sit at the bottom of his tank.The only time he moves is when he see’s me, there is food for him, or for air.What should I do for my betta. Currently I am using “BETTA FIX”"(Aquarium Pharmacuticals) and “STRESS COAT WITH THE HEALING POWER OF ALOE VERA”(Aquarium Pharmacuticals).PLEASE TELL ME WHAT TO DO! I love my betta.

Try adding salt for freshwater aquariums to his water. It will destroy the cause fo the fin rot and speed the healing and regrowth of his fins.
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Ka-Bar FIN Fixed Blade vs. Gerber LMF II Part I