Antibiotics

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Clarification: When you say...

2) Enrofloxacin (Most advanced antibiotic approved for use in tropical fish ... Dosage range is 2.5 - 5 mg/L daily for 7 days.


Do you mean dose 2.5 - 5 mg/L every day, or just a one-time dose and wait 7 days before doing a water change? I think you mean the later based on a conversation I had with the seller, but I want to make sure I didn’t misunderstand what they told me since I get confused easily about details like this (devil’s in the details, ha). Thanks in advance!
 

Humblefish

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Do you mean dose 2.5 - 5 mg/L every day, or just a one-time dose and wait 7 days before doing a water change? I think you mean the later based on a conversation I had with the seller, but I want to make sure I didn’t misunderstand what they told me since I get confused easily about details like this (devil’s in the details, ha). Thanks in advance!

You redose it every day for 7 days. A 20-25% daily water change is recommended, but not absolutely required.

Oh, sorry, I forgot to also ask...
Is Enrofloxacin okay for tropical AND marine fish?

You can use Enrofloxacin for both.
 

Jessican

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Justin

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Sorry if this has been covered already, but I was reading the seachem kanaplex directions and they say to treat every 2 days up to a max of three treatments, which is only six days. Should I stop after three or continue the full 7-10 days?
 
I'm dosing my display tank with Furan 2, metroplex and kanaplex. I had a question, Furan 2 directions say:

For each 10 gallons of water, empty one packet directly into aquarium. Repeat dose after 24 hours. Wait another 24 hours then change 25% of the aquarium water. Repeat this treatment for a second time, for a total of 4 doses. Then make a final 25% water change and add fresh activated carbon or replace filter cartridge.

This is my schedule. I understood it was Day 1 would be one dose. Or is Day 3 actually the one dose? So really the treatment plan is twice as long as I have below.

Day 1
12/15/2020​
Treat with Furan 2
Day 2
12/16/2020​
Treat with Furan 2
Day 3
12/17/2020​
25% water change
Day 4
12/18/2020​
Treat with Furan 2
Day 5
12/19/2020​
Treat with Furan 2
Day 6
12/20/2020​
25% water change
 

Jessican

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@all delight this is the schedule for dosing the metro+kana+furan-2 trifecta:

Day 1- all three
Day 2- furan-2
Day 3- 25% waterchange THEN all 3
Day 4- furan-2
Day 5- 25% waterchange THEN all 3
Day 6- furan-2
Day 7- 25% waterchange THEN all 3
Day 8- furan-2
Day 9- 25% waterchange THEN all 3
Day 10- furan-2
Day 11- 25% (or more) waterchange

If you need to go 14 days-
Day 11- 25% waterchange THEN all 3
Day 12- furan-2
Day 13- 25% waterchange THEN all 3
Day 14- furan-2
Day 15- 25% (or more) waterchange
 
@Jessican Thank you. Will this treatment rid my tank of negative gram bacteria? And could fish die from negative gram quickly overnight like velvet? I had velvet, went fallow for 50+ days. After the fallow period I added 6 fish that were fully qt'd, 5 of those 6 fish died within 3 weeks. 4 of them died during a week period and all of them overnight. The 5th fish took nearly a week to die and the visual symptoms were bacterial looking.
 

Humblefish

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@Jessican Thank you. Will this treatment rid my tank of negative gram bacteria? And could fish die from negative gram quickly overnight like velvet? I had velvet, went fallow for 50+ days. After the fallow period I added 6 fish that were fully qt'd, 5 of those 6 fish died within 3 weeks. 4 of them died during a week period and all of them overnight. The 5th fish took nearly a week to die and the visual symptoms were bacterial looking.
Both Kanaplex & Furan target some gram-negative bacteria, and certain strains (e.g. Vibrio, Hemorrhagic septicemia) can kill very quickly.
 

Humblefish

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Thank you @Jessican @Humblefish

What would determine if I need to go the 14 days? The lone fish in there has not been affected.
Did you take photos of the fish that died? Sometimes "bacterial looking" actually turns out to be Uronema when the casualty rate is high:
 
@Humblefish
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