Surprising Triton water test results

[reefkeeper2]

I got my water test results back today from Triton Labs and they were pretty much what I expected except for the lead and tin. Where could that be coming from? I'm stumped. Not the salt mix surely. How do I remove it? Polyfilter? I already do daily water changes via Genesis water changer. I have some cuprisorb but would that be effective on lead?


Element Analysis Setpoint Deviation LOD Warning lamp Gallons Correction Dosage / mL Maintaining Dosage / mL
Hg 0.00 µg/l 0.10 µg/l -0.10
-
550 0.00 0.00
Se 0.00 µg/l 0.10 µg/l -0.10
-
550 0.00 0.00
Cd 0.00 µg/l 0.10 µg/l -0.10
-
550 0.00 0.00
Sn 2.56 µg/l 0.10 µg/l 2.46
+
550 0.00 0.00
Sb 0.00 µg/l 0.10 µg/l -0.10
-
550 0.00 0.00
As 0.00 µg/l 0.10 µg/l -0.10
-
550 0.00 0.00
Al 26.09 µg/l 2.00 µg/l 24.09
+
550 0.00 0.00
Pb 8.45 µg/l 0.10 µg/l 8.35
+
550 0.00 0.00
Ti 0.00 µg/l 0.10 µg/l -0.10
-
550 0.00 0.00
Cu 0.00 µg/l 0.10 µg/l -0.10
-
550 0.00 0.00
Macro-Elements
Element Analysis Setpoint Deviation LOD Warning lamp Gallons Correction Dosage / mL Maintaining Dosage / mL
Na 9900.00 mg/l 10700.00 mg/l -800.00
-
550 0.00 0.00
Ca 502.60 mg/l 440.00 mg/l 62.60
+
550 0.00 0.00
Mg 1414.00 mg/l 1370.00 mg/l 44.00
+
550 0.00 0.00
K 427.60 mg/l 400.00 mg/l 27.60
+
550 0.00 0.00
Br 73.00 mg/l 62.00 mg/l 11.00
+
550 0.00 0.00
B 4.14 mg/l 4.50 mg/l -0.36
-
550 mehrmore... 0.00
Sr 7.94 mg/l 8.00 mg/l -0.06
-
550 mehrmore... 0.00
S 839.90 mg/l 900.00 mg/l -60.10
-
550 0.00 0.00
Li-Group
Element Analysis Setpoint Deviation LOD Warning lamp Gallons Correction Dosage / mL Maintaining Dosage / mL
Li 323.50 µg/l 200.00 µg/l 123.50
+
550 0.00 0.00
Ni 0.00 µg/l 5.00 µg/l -5.00
-
550 mehrmore...



0.00
Mo 21.83 µg/l 12.00 µg/l 9.83
+
550 0.00 0.00
I-Group
Element Analysis Setpoint Deviation LOD Warning lamp Gallons Correction Dosage / mL Maintaining Dosage / mL
V 4.94 µg/l 1.20 µg/l 3.74
+
550 0.00 0.00
Zn 3.65 µg/l 4.00 µg/l -0.35
-
550 mehrmore... 0.07
Mn 0.00 µg/l 2.00 µg/l -2.00
-
550 mehrmore...



3.47
I 124.40 µg/l 60.00 µg/l 64.40
+
550 0.00 0.00
Fe-Group
Element Analysis Setpoint Deviation LOD Warning lamp Gallons Correction Dosage / mL Maintaining Dosage / mL
Cr 0.00 µg/l 0.10 µg/l -0.10
-
550 0.00 0.00
Co 4.99 µg/l 0.10 µg/l 4.89
+
550 0.00 0.00
Fe 0.00 µg/l 0.10 µg/l -0.10
-
550 0.00 0.00
Ba-Group
Element Analysis Setpoint Deviation LOD Warning lamp Gallons Correction Dosage / mL Maintaining Dosage / mL
Ba 15.36 µg/l 10.00 µg/l 5.36
+
550 0.00 0.00
Be 0.00 µg/l 0.10 µg/l -0.10
-
550 0.00 0.00
Si-Group
Element Analysis Setpoint Deviation LOD Warning lamp Gallons Correction Dosage / mL Maintaining Dosage / mL
Si 571.10 µg/l 100.00 µg/l 471.10
+
550 0.00 0.00
Nutrient-Group
Element Analysis Setpoint Deviation LOD Warning lamp Gallons Correction Dosage / mL Maintaining Dosage / mL
P 32.66 µg/l 6.00 µg/l 26.66
+
550 0.00 0.00
PO4 0.100 mg/l 0.018 mg/l 0.082
+
550 0.00 0.00
WarningTin is strongly deviating. ECS page 2
WarningLead is strongly deviating. ECS page 3
WarningBromide is deviating. If too high, check your salts or additives. ECS page 4
WarningLithium is strongly deviating, follow dosing instructions when too low. ECS page 7
WarningMolydenum is deviating. ECS page 7
WarningVanadium is strongly deviating. ECS page 8
WarningIodine is deviating. If too low, follow the dosing instructions. ECS page 8
WarningCobalt is strongly deviating. ECS page 9
WarningSilicon is strongly deviating. ECS page 10
WarningPhosphorus is strongly deviating. ECS page 10
WarningPhosphate is strongly deviating. ECS page 10

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TRITON GmbH Rather Broich 25 40472 Düsseld

 

[Randy Holmes-Farley]

What salt mix?

One I saw recently did have elevated lead. I don't want to mention it unless it is the brand you are using since it was a one off test of the salt mix and may not be reflective of all batches.

 

[tmz]

There is another fellow with high Sn reported on that test on another thread . He notes his acros are melting.

If the readings are accurate,

maybe it leaches from pvc which uses organotin compounds to stabilize it. l don't know if it does though. Seems unlikely to do harm if it's from pvc given the wide application of pvc in the hobby even though those compounds are considered hazardous in aqueous environments generally.

Polyfilter or cuprisorb might remove it.

 

[reefkeeper2]

I use Red Sea Coral Pro salt.

 

[Randy Holmes-Farley]

The two other people I've seen with RSCP salt mix do not have elevated lead or tin, so the explanation may lie elsewhere.

 

[reefkeeper2]

I also have been dosing Seachem Aquvitro Fuel. I normally don't add additives but this tank is new . Everything looked starved and I was losing frags. Much better now. I'm not concerned about the phosphates. I had just fed a lot of mysis a few minutes before I took the sample. Stupid. There is very little algae growth anywhere.

 

[reefkeeper2]

Could the Tin and Lead be a contaminant in the calcium hydroxide used for kalkwater?

 

[drsalomon]

Surprising Triton water test results

Do you have any metal hose clamps or other metal close to the tank or sump? I had elevated tin and metal clamps corroding from salt creep. Not sure i want to pay 50$ to retest to see if it is fixed now. Also solder has high tin so do you have any exposed electronics. Maybe check for stray voltage with a volt meter.

 

[Randy Holmes-Farley]

Could the Tin and Lead be a contaminant in the calcium hydroxide used for kalkwater?

As I mentioned in another thread...

Might be. It can be in many things. There is lead in some brands of CaCO3/CO2 reactor media, for example.

But the data I have suggests lead is very low in food grade calcium hydroxide. I use BRS calcium hydroxide for all of my calcium and alkalinity, and I do not have elevated levels of either lead or tin.

I discuss metals in various sources, including limewater, here:

Metals In Limewater
http://www.advancedaquarist.com/issues/may2003/chem.htm

Reef Aquaria with Low Soluble Metals
http://reefkeeping.com/issues/2003-04/rhf/feature/

 

[drsalomon]

Randy, are you aware of what the levels of Sn are in BRS kalkwasser? I am using that brand with my kalk reactor. Really don't want to spend 50$ to find out if this is the source of contamination.

 

[Randy Holmes-Farley]

Randy, are you aware of what the levels of Sn are in BRS kalkwasser? I am using that brand with my kalk reactor. Really don't want to spend 50$ to find out if this is the source of contamination.

No, sorry.

I don't have a reason to suspect it, however, since I use it without any tin being detected.

 

[reefkeeper2]

Do you have any metal hose clamps or other metal close to the tank or sump? I had elevated tin and metal clamps corroding from salt creep. Not sure i want to pay 50$ to retest to see if it is fixed now. Also solder has high tin so do you have any exposed electronics. Maybe check for stray voltage with a volt meter.

Done all that. No metal clamps or exposed electronics. The elevated Tin levels seem to be common with a lot of people. It's the lead I'm concerned about. I can't fathom where it could be coming from. Could it be leaching from a rock? I didn' think with the high pH of the tank water that it could happen that way.

 

[Randy Holmes-Farley]

Done all that. No metal clamps or exposed electronics. The elevated Tin levels seem to be common with a lot of people. It's the lead I'm concerned about. I can't fathom where it could be coming from. Could it be leaching from a rock? I didn' think with the high pH of the tank water that it could happen that way.

Are your rocks natural?

If so, I think it an unlikely source.

ESV salt mix had some batches with lead in them (at least in one test).

 

[reefkeeper2]

There is a mix of liverock and Marco Rock. What level would the lead have to reach to adversly affect the livestock?

 

[Randy Holmes-Farley]

There is a mix of liverock and Marco Rock. What level would the lead have to reach to adversly affect the livestock?

Sorry, I don't know, and it is not easy to know from Triton testing since it doesn't say what form the metals are in (chelated by organics, etc.).

 

[reefkeeper2]

Is there an available test kit sensitive enough that I could use to track down the source? 8.45mg/l is about half the action level set for drinking water. There seems to be a lot of kits but they don't say what their range is.

 

[bertoni]

Hmm, I am not sure how saltwater might affect the test kits. I suspect they're mostly designed for fresh water. You could consider looking at the Hanna kits, and try contacting them if there's something that looks reasonable.

 

[Randy Holmes-Farley]

I don't know if any of the lead kits work in seawater.

 

[dazza007]

An error correction sheet for the triton is here. http://www.triton-lab.de/fileadmin/triton-lab/TRITON_error_crection_sheet.pdf
The advice for Pb is to do 4 x 15% water change with pure salt
I remember correctly that Sn may come from the glass manufacturing process.

 

[FLReefDreamer]

so, besides some of the dosing procedures, most of the cures/solutions where by 4x15% water changes with pure salt.
Are they recommending a salt to use?
can I do a one time 60% WC or is there a reason for the 4x advise?