My 200 Gal Delight

deaclauderdale

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Why do you all say it's low. Looks like the ICP says 35ppt which is what I measured it using a refractometer that I calibrate weekly.

Would that kill some of my corals if the SG was low? Anything else stick out to you all?
 

Smite

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Why do you all say it's low. Looks like the ICP says 35ppt which is what I measured it using a refractometer that I calibrate weekly.

Would that kill some of my corals if the SG was low? Anything else stick out to you all?
You’re looking at the standard reference. Those are recommended levels.
Your level results are the first column. You have your tank and rodi posted backwards. That’s why you tank value all has undetectable on the first column. That’s good for your rodi though!

you have a few low trace elements as well as some that don’t normally register for me. Vanadium I have to dose, usually undetectable. Copper normally doesn’t register but did for me recently during issues. Same with Tin but yours is much lower than mine was.

bromine and iodide are pretty low too. That is something that is normally depleted in my tank and I have to dose. I wonder if neomarine is just lacking in those elements?
 

Smite

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Once I get home I’ll look back in my 180g results. I kept getting stn overnight and could not find the culprit for everything testable at home. That’s around when I started the reef monnshiner program and started to have success again after making corrections. Looking at your test I feel like the low flouride, iodide and bromine were contributing factors.

Andre had a free RM handbook. Even if you don’t want to use the program it breaks down your ATI ICP test pretty well. gives recommended values and tolerances and some descriptions of trace elements. It also has a helpful troubleshooting guide. He also has a Facebook group that is extremely helpful for troubleshooting and a bunch of experienced eyes that ATI ICP test religiously.
 

deaclauderdale

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I want to trust the ATI results and believe that I should but I don’t have another Salinity tester and I don’t want to try and raise my salinity using what could be a faulty refracto.
 

Smite

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I've found my hanna checker to be very reliable. I really like that they worked temp into the pen as well. I calibrated my apex and water mixing station's heater to it so they match perfectly. Great tool but I know some struggle with it for some reason. I just calibrate often, rinse in RODI after use and dry.
 

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