Okay, so I was skeptical at first, but this stuff is LEGIT. My betta fish was looking super sluggish, barely moving, and I was freaking out. Tried other meds, nada. Then I gave KOIKA BAC+ a shot—within hours, my fish was swimming around like nothing happened. Magic? Maybe.

The smell? Yeah, it’s funky (kinda like butter popcorn gone rogue), but hey, most fish meds stink. Small price to pay for healthy, vibrant fish. My shrimp are also loving it—clearer water, more active, and they’re eating like crazy. Win-win.

Pro tip: Mix it with food instead of dumping it straight into the tank (unless you’ve got a small setup). Saves product and works better. Also, ignore the French instructions if you’re like me and can’t read them—just wing it. Trust me, your fish will thank you.

10/10 would buy again, even if Amazon’s packaging sometimes fails (RIP one exploded bottle).