Hey Sam, honestly I haven't really gone out and looked yet as I still need to replace the batteries on my TDS meter.
I suspect I'll get on it in a couple weeks once I find new homes for all my baby Bangaiis, and have a couple $$ to spend on aquarium necessities.
Once I do locate a place with calibration fluid, I'll be sure to post the details here.
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Cheers,
Andrew B.
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