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Seachem KanaPlex Size: 100 g, Treats Fungal and Bacterial Fish Diseases

Original price was: $91.30.Current price is: $89.07.

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Price: $91.30 - $89.07
(as of Oct 16, 2025 01:04:17 UTC – Details)


KanaPlex™ is a blended kanamycin based medication that safely and effectively treats several fungal, and bacterial fish diseases (dropsy, popeye, fin/tail rot, septicemia). Because it is absorbed by fish it is useful in treating internal infections in those situations where food is refused. It does not adversely affect the filter bed and is easily removed with carbon. When used in a medicated food mix, it is excellent for treating bacterial infections in tanks that contain invertebrates. For use in freshwater or marine aquaria. Indications KanaPlex™ is appropriate for treating a variety of fungal, and bacterial fish diseases. Below are some of the more common diseases treatable with KanaPlex™. Be aware that many diseases and infections share similar physical and behavioral symptoms, e.g. clamped fins, lesions, loss of appetite. Popeye Cloudy Eye Fin Rot Hemorrhagic Septicemia Dropsy Mouth Rot
Package Dimensions ‏ : ‎ 4.88 x 2.24 x 2.2 inches; 3.53 ounces
Item model number ‏ : ‎ SC KanaPlex 100g
Date First Available ‏ : ‎ December 12, 2012
Manufacturer ‏ : ‎ ROYAL PET PRODUCTS
ASIN ‏ : ‎ B006OOPGOQ
Best Sellers Rank: #54,407 in Pet Supplies (See Top 100 in Pet Supplies) #495 in Aquarium Water Treatments
Customer Reviews: 4.6 4.6 out of 5 stars 41 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

User-Friendly: Does not adversely affect the filter bed and is easily removed with activated carbon.
Application: Suitable for use in both freshwater and marine aquaria.
Absorption Method: Can be absorbed through both the skin and gills of fish, making it effective for treating internal infections without the need for ingestion.

Customers say

Customers find the water treatment effective, with one mentioning it treats many common aquarium fish diseases. The size of the product receives mixed feedback, with one customer noting it’s perfect for 270 gallons, while others find it pricy for the amount provided.

8 reviews for Seachem KanaPlex Size: 100 g, Treats Fungal and Bacterial Fish Diseases

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  1. Happy Package

    works great
    My go-to med for very many ailments for very many years. It’s even cured dropsy. Buy it in this big container. Much cheaper and will last a very long time. Very expensive to buy in small doses.

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  2. PtotheZ

    a must have for fish lovers
    this is something we all need and the big bottle is the best price if you have large tanks

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  3. Jeff Miller

    Got sick fish? This is the fix
    If you have a sick fish and you positively want make sure that it recovers, this is the stuff to use. Several of my very exotic expensive fish got epistylis when my canister filter failed and this cleared it up right away.

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  4. Sable Sanchez

    Pricy for little amount
    Only filled half way.

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  5. A.Wilson

    Love the larger size!!
    I have a 270 gal soft tank full of Congo and Buenos Aires Tetras, Rainbow Fish and Coridoras. Various plants, driftwood dwarf shrimp and snails… I haven’t ever had any issues with illness in this tank previously and it has been going for a while. Unfortunately, I had to strip it down when we moved to our new house that we just finished remodeling. I tried to preserve the cycle as best as I could but by the time it was up and running again I was basically starting over with it. Even with the help of FritzZyme 7 it still took a month to safely get everything mostly back in balance, I am still dealing with brown and hair algae now almost 3 months after moving. With everything that happened I ended up with an outbreak of Columnaris that didn’t respond to medicated food Ask had hoped. While I ended up loosing my rainbow shark and my school of SAE’s, I have only lost couple of the dwarf rainbowfish and 1 of my Buenos Aires Tetras so far. This has been a nightmare, I didn’t have enough meds on hand to treat the whole tank, only enough to treat my smaller 30 quarantine tank regularly. I didn’t realize that something like that could take over a tank that hadn’t had any new fish or plants introduced… Lesson learned! My only annoyance is the tiny scoop for the meds…. I used it to measure into a measuring spoon how much medicine was needed to treat my while tank, as it turns out a level tablespoon, lightly scooped not packed, is perfect for 270 gallons… At least by my plastic set I have for use with my fish stuff. This stuff has been a lifesaver. I had dropped my tank temp down to 72° to slow down the illness. I am on dose 2 of round 2 of treatment and the cotton-y tufts have been gone for a few days but I decided to go ahead and do 2 complete rounds of 3 doses to be sure it’s done for. Everyone has responded well, I slowly started raising the temp back up to 78° after the first round was done. Hopefully I don’t have to deal with this again, but if I do I know where to go. I had no idea Kanaplex came in large quantities like this and I will just start buying it this way. Definitely a must for anyone with a large set up!

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  6. Kari

    A must have for aquarium fish owners.
    Effectively treats many common aquarium fish diseases.

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  7. Mary Capps

    Fast shipping
    Came exactly as ordered and right on time as promised.

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  8. EsEmThree

    Works! Prepare bio supplement
    My fish had a bad bacterial infection outbreak, but we’re saved by treating the tank with kanaplex. After a full treatment regimen, I did experience ammonia spike so I had to dose with Seachem stability and prime, to boost it back up and keep my fish save. My prized expensive fish are now fine!

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    Seachem KanaPlex Size: 100 g, Treats Fungal and Bacterial Fish Diseases
    Seachem KanaPlex Size: 100 g, Treats Fungal and Bacterial Fish Diseases

    Original price was: $91.30.Current price is: $89.07.

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