old clams getting some type of disease from new clams?

Just wanted to give an update about my clams. I've had similar situation as isseym328, cant explain it. I've lost 4 clams during all this. At first I was just giving the FWD every week to a week and half. Before actually starting the QT to get ready to dose with metro, on my last dip I lost my smallest maxima. So after the last dip, my crocea still had a bit of the edge of mantle curled. I then setup the QT and place them all in. It only had some pieces of live rock from my tank, with existing water from that tank. 5 gallons. the other 5 gallons was new make up water. After a week being in the QT the crocea's mantle was looking better. never dosed the metro. Its been a little over 5 weeks now in QT and 6 maxima's and 1 crocea are all looking great. I've even saw some new shell growth. Not sure if Im going to return them to the original tank.
 
That is great news Menance. Glad your clams are on their way to full recovery.

I never had to add any medication to my Qtank. For some reason the infection just went away on its own. I believe the fact that the tank had nothing else but live sand (with pods and such) really contributed to the success of the clams. I think more people should try this method instead of dosing medication. More natural this way and it seems to work! At least for Menance and I.

After two months of being in the Qtank I put the clams back to my main tank. It has been at least another two months now and I have since then added new clams. They are all looking good and healthy. I think we found a way to get rid of this protozoan infection w/o using any chemicals. :bum:
 
I have 21 clams. They all have PM. All the clams are in a small tank that is in circulation with the main tank. The advantage is that I can feed the clams easily wiht phytoplankton in this small tank.
They have been very bad for some time (3 month ago). Now they are better but the PM has not disappeared for 100%. Anyway the situation is under controle. My experience is that the clams get better when feed with phytoplankton. It's strange that, when I put a clam back in the main tank, the PM comes back very soon. Why ? Too bad, they'll stay in the smaller tank. And don't think I'll try any medication. My feelings tell me that excellent treatment will cure them.

They're all beauties !
For pictures look here :

www.zeewaterforum.org/forums/showthread.php?t=9849&page=4&pp=25

messages nr 86 and 96
 
Hi!

Isseym328,
Thanks for sharing the info, so you mean that you took out the clams to a QT tank, left them there for like 2 month and made agressive FWD .
1.Did you use your old tank water?
2.How often did you change the water in the QT tank?
3.How did you maintain the Ca level in the QT tank?
4.Now that you got the clams back to the original tank , did you change anything in the tank?salt? supplements?any water parameter have changed that you know of?

Meance,
Thanks for sharing the info, I understand that since you put the clams in the QT tank you did not FWD them right?
1.How often are you changing the water in the QT?
2.How do you maintain the Ca level?

kuifjetintin,
Those are really nice looking clams, I dont have a clue about what's written in the site, but I'd like to know, in post #90, what is Freddy doing? dosing phyto or is it something else?

Thanks my friends, I hope this will help getting progress in curing the PM problem.
 
Morning,

I did not do aggressive FWD in the QT tank. Not sure if you read the old posts in this thread but if you did I just recently (last few months) moved everything from my old tank to a new tank. The clams were the last inhabitants left in that tank. So in a way I did not move the clams to a QT tank. They were still in the old tank just that they were left there because I was afraid they will spread the infection to my new clams. Before I moved everything I had to FWD them once every few weeks because the PM came back quite frequently. However after moving all other inhabitants from the tank I noticed that I didn't have to FWD dip anymore. I think I might have dipped twice and that was it. So here's my reponse to your questions:

1. Yes
2. Not very often. I think I had them in the tank for two months and I probably changed water 2-3 times.
3. Did not maintain Ca level. The 3 clams were small and there was nothing else in the tank.
4. I'm sure the parameters are a little different because I have more bioload in the new tank. but I don't think that contributed to the well being of the clams AFTER they were moved.

I believe the protozoans died off in the old tank before I moved the clams over to the new tank. they probably did not have enough nutrition to last them because the clams were the only inhabitants. Like some people said in this forum(or was it the other forum) the protozoans might have other hosts besides clams, and if that was the case by isolating the clams they starved. Here's exactly what I had in the 20g tank besides the clams so maybe you can try imitating it:

250w MH
powerhead(med flow) and heater(temp at 78)
about an inch of live sand
tank water(not fresh saltwater) of about 1.022
few pieces of small LR

Hope this helps. =)
 
Oh yeah there was also a time before the clams were isolated that they were FWD for one whole hour. It was unintentional but I forgot them in the water. But maybe that mistake proved to be more beneficial than detrimental. I feel like I accidently discovered some new invention.
 
Vili_Shark said:
Hi!

kuifjetintin,
Those are really nice looking clams, I dont have a clue about what's written in the site, but I'd like to know, in post #90, what is Freddy doing? dosing phyto or is it something else?

Thanks my friends, I hope this will help getting progress in curing the PM problem.

Hi !
What I'm doing there, is showing that the clams grow quite good, whilst they have PM. I touch them with a pincet, so they show the white borders.
 
Wow Freddy those clams are Freegin vonderfully beeuutyfull. Thats my english/german translation after seeing the pictures. Carrie
Ps. all my remaining clams are thriving, I think Issey and I figured out that after any infected clams died and were removed, those that remained got better once all infected clams were gone and out of the tank. I really think it came in the maximas. I feel like Scuba though- what an expensive loss with no compensation. I know I will never order another clam! To tell us that "oh it must have been something in your tank, sorry"- is an insult in my opinion because yeah it was something in my tank AFTER I purchased theirs!! Carrie
 
Carrie is right I forgot to add that one important detail. The two gold maximas that first infected my clams died off. Those were the two weakest out of the bunch and they died after a long FWD. Did the rest of my clams survive because of those two deaths? Possibly. Maybe my tank/older clams were not infected long enough to have any long term negative effect..and that is why my clams are healthy today.
 
Hmm that just gave me another idea. Whoever still have the PM issue should try removing the one clam(or clams) that infected the rest of your clams. After that QT and FWD the older clams and that might just work....
 
the two clams that I got when this infection started; one was really bad (that one died off) the other is still alive and kickin. Both came from same batch.

Vili, my dips were only done prior to the QT. Have not dipped since starting QT. Water changes every 3-4 days. 1-2 gallons.
I measured alk/ca every day at first, it did not fluctuate much. Have not dosed anything to the QT and use water changes to replenish. I add phyto every coupla days.
 
Disease Research â€"œ help needed

As many of you already know, there’s a condition that’s killing Tridacnid clams over the past few years â€"œ “Pinched Mantle.” Three years ago Barry N. took it upon himself to try to find the cause â€"œ and treatment for â€"œ this condition. During that time, he has shipped over 50 clams at his own expense ($1,350) to several labs paying them an additional $592 for the work done to date.
Currently Barry has a group of doctors from the University of Maine who are working on identifying the cause and treatment for this condition. They volunteer their time but the hard costs â€"œ lab equipment & testing â€"œ must be paid. If any of you can help cover these costs please do. (Research link: http://www.clamsdirect.com/forum/viewtopic.php?t=1982 )

So far 29 people and 5 groups/businesses have donated to this cause and Barry is nearly ¾ of the way to his goal. After researching on Reef Central “Pinched Mantle” there were 254 threads, so people know about this and are concerned â€"œ yet only 29 people have stepped up to the plate and offered their support. All Barry needs is $740.63 to reach the goal of $2,500 needed to complete this study to develop a treatment â€"œ please help. [Note: This is just under $3 per thread] (Donations to-date: http://www.clamsdirect.com/forum/viewtopic.php?t=2020 )
 
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