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Toxins

you can test for copper for sure. not sure on anything else. there's got to be a lab somewhere that you can send sample water to for testing. they do it for tons of other things(motor oil comes immediately to mind)
I'll do some digging, but I have no idea at the moment.

What types of toxins are you thinking? sorry I haven't been following any of the other problem threads so i don't know your issues
 
you can test for copper for sure. not sure on anything else. there's got to be a lab somewhere that you can send sample water to for testing. they do it for tons of other things(motor oil comes immediately to mind)
I'll do some digging, but I have no idea at the moment.

What types of toxins are you thinking? sorry I haven't been following any of the other problem threads so i don't know your issues

I don't know exactly what type. Maybe something a coral put out or maybe my missing cucumber died or released something when adding the sand. I tested for copper and thats negative.

http://www.njreefers.org/showthread.php?79234-ThatGuys-42-to-75-upgrade/page2
 
Run high quality carbon in your tank, in a proper reactor. The carbon will remove the allopathy. if your tank improves, you know you had corals releasing those toxins. Leathers and many mushrooms are considered known offenders of allopathy.


Before all that though, what are your tank's chemical parameters, and what tests did you use to obtain those data?

Are these your current parameters? (from the thread you posted)

pH-7.8
Nitrate-0
Nitrite-0
Ammonia-0
Alk-11
Cal-480
Phos-0.5

If so, I see some issues...

 
What kind of cucumber? I have one and I try to sight him often. If one dies in your tank it can poison the hell out of it...
 
Run high quality carbon in your tank, in a proper reactor. The carbon will remove the allopathy. if your tank improves, you know you had corals releasing those toxins. Leathers and many mushrooms are considered known offenders of allopathy.


Before all that though, what are your tank's chemical parameters, and what tests did you use to obtain those data?

Are these your current parameters? (from the thread you posted)

pH-7.8
Nitrate-0
Nitrite-0
Ammonia-0
Alk-11
Cal-480
Phos-0.5

If so, I see some issues...


They are accurate outside of the po4 is 1.26 and the cal is more like 420. Even though my PO4 is high it wouldn't cause everything to die or almost die in a 3 day span.

I believe it was a salifert or redsea. I forget.

What kind of cucumber? I have one and I try to sight him often. If one dies in your tank it can poison the hell out of it...

It was a tiger tail.
 
Your Phosphate is very high, but you are right that alone should not cause quick meltdowns. Additionally some of your other parameters are off, which, in addition to the high phosphate can cause big problems pretty quickly. Your pH is low (should be aiming for 8.2-8.4), and your Alkalinity is quite high (you are aiming for about 9.2dKH-10.5dKH or so). Your Calc is pretty high, but I do not know that high calc is neccessarily toxic. What all this does tell me though-is that your magnesium level might be off (Too low). low pH, high Calcium, and High alkalinity are usually a sign of low magnesium too. Alk, magnesium, and calcium are all tied together such that an imbalance in mg, leads to an imbalance in all 3. First off, you need to determine your magnesium levels (you are aiming for 1350-1400ppm. You may notice an improvement once you get those parameters more in-line.

The reason I ask about the tests-this is important too-is that some test kits and methods are more reputeable, and of better quality, than other test kits/methods. If you used salifert, I would trust the results.
 

MadReefer

Vice President
Staff member
NJRC Member
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From personal experience with this same issue I would agree that you should check your Alk. MY zoa's, etc. would melt away quickly and in posting here and talking to people at meetings I was told to check Alk level. Well the Alk was extremely low and after raising it my zoa's and other corals were doing great.
 
Your Phosphate is very high, but you are right that alone should not cause quick meltdowns. Additionally some of your other parameters are off, which, in addition to the high phosphate can cause big problems pretty quickly. Your pH is low (should be aiming for 8.2-8.4), and your Alkalinity is quite high (you are aiming for about 9.2dKH-10.5dKH or so). Your Calc is pretty high, but I do not know that high calc is neccessarily toxic. What all this does tell me though-is that your magnesium level might be off (Too low). low pH, high Calcium, and High alkalinity are usually a sign of low magnesium too. Alk, magnesium, and calcium are all tied together such that an imbalance in mg, leads to an imbalance in all 3. First off, you need to determine your magnesium levels (you are aiming for 1350-1400ppm. You may notice an improvement once you get those parameters more in-line.

The reason I ask about the tests-this is important too-is that some test kits and methods are more reputeable, and of better quality, than other test kits/methods. If you used salifert, I would trust the results.

From personal experience with this same issue I would agree that you should check your Alk. MY zoa's, etc. would melt away quickly and in posting here and talking to people at meetings I was told to check Alk level. Well the Alk was extremely low and after raising it my zoa's and other corals were doing great.

I know my levels are off somewhat, but they have been constant for a LONG time. The only difference from then till now is the sand. Thats why I'm conserned about toxins. I don't know if it PO the corals to the point they released something or if the Cucumber just happened to die around the same time or if the sand itself was contaminated. As far as what I'm doing to help I just replaced the carbon (BRS) and went a little heavy on it. I also don't dose anything. I just do weekly water changes.
 
Outside of adding a coral how would I be able to tell if what ever it was killing things is gone? The corals that are left all look fine. I ran heavy carbon for the past week and just changed it out again to the Seachem SeaGel carbon/GFO mix.
 
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