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Oct 16, 20232 min read
Is Fluorine an Essential Element?
I’ve been adding my results to the Captive8 spreadsheet and noticed that Fluoride I have to leave blank. I understand that not all the...
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Apr 25, 20231 min read
Arsenic in my ICP-OES water test results. Where is it coming from?
Hello Bill, I understand you called inquiring about potential sources of arsenic (As) in your water samples. Unfortunately, arsenic is a...
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Apr 25, 20231 min read
Phosphorus & Phosphate in Saltwater Aquarium
Dear Andrew, We measure phosphorus (P) in the ICP test. The calculated value for phosphate (PO4) assumes that all phosphorus is in the...
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