SKU: 11806356729

Fritz Maracyn

Sale price$21.60 Regular price$24.00
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Description

Fritz MaracynTreats bacterial infections Safe for aquarium plants Safe for shrimp, snails, and other invertebrates Fritz Maracyn is a specially compounded broad spectrum antibiotic (erythromycin) which has been shown to be effective against a number of pathogenic bacteria associated with ornamental fish disease. It was developed for complete but gradual dissolution in water. It is primarily effective against gram positive pathogenic organisms. Symptoms of clamped

  • Treats bacterial infections
  • Safe for aquarium plants
  • Safe for shrimp, snails, and other invertebrates

Fritz Maracyn® is a specially compounded broad-spectrum antibiotic (erythromycin) which has been shown to be effective against a number of pathogenic bacteria associated with ornamental fish disease. It was developed for complete but gradual dissolution in water. It is primarily effective against gram-positive pathogenic organisms. Symptoms of clamped fins, swollen eyes, heavy or rapid breathing, patchy coloration, change in swimming behavior or corner-hiding can be signs of possible bacterial infection.

For the 10-count and 20-count boxes of Maracyn, the medication comes in individual packets where each packet treats 10 gallons of water. The 100-gram bulk container treats a total of 1,000 gallons of water while the 400-gram bulk container treats 4,700 gallons of water, and both containers come with a scoop for easy dosing. When treating with Maracyn, we recommend using an air stone in the aquarium, which may temporarily cause excessive foaming at the water surface.

Directions/Specifications

For best results, we recommend removing chemical filtration from your aquarium filter before dosing the medication. Examples of chemical filtration include activated carbon, carbon-infused media pads, Seachem Purigen, phosphate media pads, and ammonia media pads.

Manufacturer's Directions on the Package:
One complete course of treatment will take 5 days. Treat for the full course of treatment even if visible signs of infection or illness disappear.
— Day One through Day Five: Each day, add contents of one packet per 10 gallons of water to be treated. For the bulk jar, add 1 level scoop (approximately 1 gram) per 10 gallons of water each day.
— Day Six: Perform a 25% water change. If necessary, a second full course of treatment may be performed starting on Day Seven.

Aquarium Co-Op Instructions:
Dose one packet (or 1 level scoop from the bulk jar) per 10 gallons of water to be treated. Let sit in aquarium for 7 days. Then do 25% water change.

Notes:
— All suspected bacterial infections should be treated immediately.
— Fritz Maracyn® is non-toxic to invertebrates such as snails and shrimp.
— Don't confuse this medication with Maracyn 2, which is not the same medication.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 11806356729

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4.7 ★★★★★
Based on 18 reviews
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K
Verified Purchase
Keith S
Fort Morgan, US
★★★★★ 5
Amazing stuff
Style: 14oz
I’ve been using this stuff for a number of years for a number of vehicles now and it works every time. It’s especially great with those small annoying leaks where you just lose a couple pounds every few days so you have to keep adding air like once a week. It totally seals it. The bottle says to only rely on it for 300 to 500 miles and then get a proper fix. However, I have not found this to be the case. The seal holds for the rest of the life of my tire every time I’ve used it. My only complaint is that I wish it was a little cheaper, but you can seal up 2 tires (use only half the can per tire - you can probably even get away with using less). There is a garage not far from me that fixes leaking tires for $10, which is the same price as this product so not really saving any money by using it. It’s more just a matter of convenience. Just make sure you get this “thru-core” one. They have other ones as well so it can get confusing, but the one you’d want for situations like I’ve described above (small to medium leak in a typical passenger vehicle) is this “thru-core” one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2023
D
Verified Purchase
Does not compare to Miralax!
Chelsea, US
★★★★★ 3
It worked
Style: 14oz
The product works.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 24, 2023
P
Verified Purchase
Placeholder
Phoenix, US
★★★★★ 5
Saved the day, even at 25°
Style: 18oz
The tire tread was peeling off the tire causing a leak that could not be plugged. Completely flat. It was about 25° outside and the can only dispensed half the contents. Was able to inflate the tire and make it to the shop. So the slime saved the day.
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Reviewed in the United States on April 19, 2025
L
Verified Purchase
Lee whitman
Draper, US
★★★★★ 5
Good kit
Size: 61pcs
Has what is shown. Plugged a tire a month ago and it's still holding.
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Reviewed in the United States on April 30, 2026
V
Verified Purchase
Valentin
Grantham, US
★★★★★ 5
My new go-to for roadside emergencies.
Size: 58pcs, Size: 58pcs
Okay, I recently picked up this 58-in-1 tire repair kit, and I'm really glad I did. I've always been a bit nervous about getting a flat tire, especially on a long trip, and this kit has been a huge relief. The first thing I noticed was how complete it is. It's got everything you could possibly need, from the T-handle reamer to the solid pliers. I really appreciate the feel of the tools—they're not flimsy at all. The handle has a great grip, and the spiral tip on the reamer looks like it will make it easy to clear out a puncture without a lot of hassle. The plugs themselves feel tough and durable, like they'll actually hold up. I haven't had to use it on the road yet (thankfully!), but I did a practice run on an old tire I had. The instructions were easy enough to follow, and the whole process felt manageable. The best part is how compact the entire kit is. It all fits neatly into a little box that I can just toss in my trunk. It doesn't take up any space, and it gives me a real sense of security knowing it's there. It covers so many different vehicles, too, which is a nice bonus. It's definitely a peace-of-mind purchase that I'd recommend to anyone.
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Reviewed in the United States on July 29, 2025

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