How to convert Phosphate to Phosphorus?

Multiply ppb phosphorus by 3.066 then divide by 1000 to equal ppm phosphate

Hanna Instruments Saltwater Aquarium Ultra Low Range Phosphorus Colorimeter - Checker® HC - Hl736 parts-per-billion (ppb).

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Conversion to parts-per-million (ppm) Phosphate

Multiply ppb phosphorus by 3.066 then divide by 1000 to equal ppm phosphate

Download Phosphorus to Phosphate (Conversion Table)

Phosphorus-to-Phosphate-Conversion-Table-B