Prazipro treatment for AEFW's.

W

Wrench

New member
I recently found AEFW's in my SPS reef. I've dipped several colonies and found that I can't keep up with the onslaught of these critters. I was given a heads up by a member of my club to try Prazipro as a treatment for the entire system. He claims to have used it on his system and the only thing that it affected were the AEFW's (Duh) and his feather dusters, all of which were killed. He also claims that all of his SPS, LPS, softies and corals along with invertebrates all came out unscathed. Soooooooo, I did some research and decided to give it a whirl. I will use this thread to document my findings in hopes of helping others.

PraziPro is made by Hikari and is designed to treat for flukes, tapeworms, flatworms and turbellarians in freshwater and marine systems. They claim that is is safe for use in marine aquariums. Several emails between myself and Hikari USA confirmed this claim and they state that there have been no documented cases of harm to any corals or invertebrates (except for the target species of course). Listed ingredients are Oxybispropanol and prazitranquel as the name implies.

I added the first dose tonight according to the instructions on the bottle which is 1 oz. per 120g of water volume. The label states that one treatment is effective within 5-7 days, but to re-treat as necessary. Do not dose more than twice in 3-5 days. I have taken my skimmer and carbon Rx offline and intend to do a water change in 2 days just for peace of mind (my tank is heavily stocked and no skimmer scares me). The replacement water will be treated with the PraziPro so that the concentration within my system remains stable. After 3 days I will remove a coral known to be infested, dip it and see if there are any remaining AEFW's present. If so I will let it be and test on the 5th day and see what happens. After the 5th day I will run fresh carbon and turn the skimmer back on as well as perform a 50% water change.


I will also have my fingers crossed this whole time :)
 
Initial observations:

Slight sliming response by my Miyagi tort.
Polyps on several corals are closed. These corals are;
-green birdsnest (pink looks unaffected though)
-pink stylophora
-some a. milliporas are retracted, some look normal.
 
Everything survived the night which is a good thing. All of my shrimp, hermits, snails and crabs look fine. The only thing that looks affected is my birdsnest colony that is still closed up. I am going to use a turkey baster and see if I can't find any flatworms on some corals.
 
Re: Prazipro treatment for AEFW's.

<a href=showthread.php?s=&postid=13510132#post13510132 target=_blank>Originally posted</a> by Wrench
I will also have my fingers crossed this whole time :)
Click to expand...

tagging along and hope the fingers crossed work :)
 
I have read a lot about the use of prazipro as a dip, but when used as an in-tank dip, what do you plan to do about the eggs? Do you plan to do this a few more times to break the life cycle?
 
I did a in tank treatment not for AEFW but for flukes about two weeks ago. My system is a mixed reef with sps,lps,clams, shrimp,anemones and aptasia :) I followed the directions on the bottle and did a 50% water change after day 7. I didn't lose anything and colors didn't change at all. The only problem I had was getting my skimmer back to normal. I don't know if it will work on AEFW but I do know it destroyed the flukes on all my fish.
Good luck on getting rid of those Bastards.
 
I had called the company myself and asked if this was safe for a reef tank and I actually talked to some of their lab people there who have used it on their own tanks and they said everything came out fine. I have been concerned that some of my fish may be suffering from some flukes, I still havent pulled the trigger yet though. After following your thread for a few more days I may bite the bullet and dose.
 
After 24 hours everything has returned to normal. All corals are open and colors haven't faded or changed a bit. I removed one coral that I know was infested and couldn't find any AEFW's at all. Clams, shrimp, snails and hermits all appear to be unaffected. I still see pods all over the place which is a good sign.

I plan to do another dose in two weeks to hopefully take care of any critters that hatch between now and then. I may do a third, not sure yet though. Several threads I've read on the topic claim that their aefw's were killed in a matter of hours, not days. If I can't find any living fw's tomorrow I'm going to start running carbon and my skimmer again to get this stuff out of the tank.
 
Wrench,

Did you do any water changes after the 24 hours or will you leave the prazi in the water for the full 7 days?
 
I had initially planned on doing the full 7 days. I just dipped a stag though and found some live AEFW's on it. I would have thought they should be dead by now. I think I'm going to bring my skimmer and carbon rx back online along with doing a 30% water change to start getting this stuff out of the system. I may try another treatment with a higher dose next week after more water changes. Still not sure exactly what I'm doing yet though.

So far this is not a solution at the recommended dosage since I've got some of the little buggers that survived.
 
I am sorry to hear that, I have a complete QT system set up these days and tomorrow will be the 3rd week in a row that I have dipped my corals.

Good luck.
 
<a href=showthread.php?s=&postid=13523407#post13523407 target=_blank>Originally posted</a> by Wrench
Have you successfully killed AEFW's with PraziPro in your QT tank?
Click to expand...

No, I used Levamisole and Revive in dip stations. Some of my trials are documented in my tank thread. I did buy some Prazipro, but I have not used it to date as I could not get myself to use a new product that I have never tested on my acro collection.

Here is a link to my thread where I started the QT tank and started moving forward.
http://www.reefcentral.com/forums/showthread.php?threadid=1417284&perpage=25&pagenumber=24
 
Using this stuff for AEFW is a joke. Whoever said it works is full of you know what. I found the critters to be 100% UNaffected by the treatment. I have gone so far as to remove a colony and dip it using 10x the reccomended dosage and the buggers survived. It may work great on the harmless flatworms, flukes and maybe redbugs but as far as AEFW's, keep looking.
 
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