Available to buy here:
Welcome back to Pet sacular—where your pets are family, and we treat them like it. Today we’re reviewing the API GENERAL CURE, a fish powder medication designed for both freshwater & saltwater aquariums. It comes in a 30-ounce bulk box & contains 10 powder packets. According to the label, it targets a broad range of parasitic diseases—like gill & skin flukes, hole-in-the-head, swollen abdomen, & wasting disease. It’s marketed as easy to use, fast-acting, & safe for aquarium clarity since it doesn’t discolor the water.
This medication is formulated with a mix of Metronidazole & Praziquantel—two trusted compounds in fish care. It’s designed for broad-spectrum parasitic control, making it one of those staple meds you hope you never need, but you’ll be glad to have on hand. Each box includes ten individual powder packets. You simply dose two packets every 48 hours, following the symptom guide on the carton. No color changes in the water, which is a bonus if you’re particular about tank aesthetics.
Using it was pretty straightforward. I had a few guppies showing signs of fluke issues—rapid gill movement, some scratching. I dissolved two packets directly into the tank, and within 48 hours, I noticed reduced scratching behavior. By the second dose, their activity levels were back up. No filter disruption, no water staining, and the fish tolerated it well. I didn’t see any plant die-off either, though I’d still advise removing carbon from the filter to ensure full potency. That said, don’t expect overnight miracles. Some stubborn parasites may need a few cycles, especially in larger or heavily stocked tanks.
What worked? Definitely the fast action—it didn’t take long to see improvement. I also appreciated the pre-portioned packets—no measuring, no mess. And because it works in both fresh & salt water, it’s versatile for multi-tank households. But on the downside, the ten-packet count feels limited for the price, especially if you have a large tank or need to treat multiple rounds. Also, there’s no included scoop or resealable packaging, which would’ve been helpful for long-term storage.
Is it worth the money? If your fish are battling parasites, absolutely—it delivers solid, reliable results. But for casual use or as a preventive, it might be overkill. At this price point, it falls in line with other quality medications, but the lack of extras or bulk-friendly packaging does stand out.
Compared to similar options like Seachem’s MetroPlex or Fritz Paracleanse, API GENERAL CURE wins on ease of use & availability. MetroPlex requires mixing or medicated food, while Fritz’s blend is a bit pricier per treatment. However, both competitors offer resealable containers or more flexible dosing sizes. So while API is more beginner-friendly, advanced hobbyists may prefer more customizable formats.
The packaging is basic, but the powder is fine-grained & dissolves cleanly. The box holds up decently over time, but without a seal, you’ll want to keep it dry. No corrosion on my test packets after a few months in storage. As for longevity, this product has a solid track record in the aquarium community—people have used it reliably for years when battling parasites.
I haven’t needed to contact API’s support, but the brand carries a strong reputation in the fishkeeping world. They’re known for reliable water care products & decent responsiveness, though you won’t find round-the-clock service or live chats. Still, the packaging includes clear instructions, which is more than some brands offer.
Quick pause—was this review useful to you? If it helped, go ahead & like, subscribe, and press that bell icon so more fishkeepers like you can find this video when they need it most.
If you’re looking for cheaper alternatives, you could try bulk Metronidazole or Praziquantel powders, especially if you’re comfortable with DIY dosing. But be careful—those options lack the convenience & safety of pre-measured packets, and accuracy matters when treating delicate aquarium ecosystems.
So here’s the final word: API GENERAL CURE isn’t flashy, but it’s dependable. It handles a wide spectrum of parasitic issues with minimal fuss, doesn’t cloud your tank, & is easy enough for beginners to use. Downsides? Limited packet count & no extras. But if your fish are sick, this is the kind of product that gets straight to the point—no drama, just results. Best for hobbyists with active tanks, especially community setups where you want broad coverage without multiple meds.
Thanks for hanging out with us on Pet sacular. You’ll find the link to this product in the comments box below. Got questions? Or maybe you’ve used this product yourself? Drop your thoughts in the comments—I’d love to hear how it worked for your fishy crew. Until next time, keep your fins fluttering, your tanks sparkling, & your pets spectacular.
Available to buy here:









