- Nitrate pro refill kit is an advanced colorimetric test with comparator
- Measuring the level of nitrate in your reef aquarium to an exceptionally high resolution of 0.06 ppm N-NO3
- This refill kit, when used in conjunction with the phosphate pro kit, enables accurate dosing of NO3:PO4-X (biological nitrate and phosphate reducer)
- This kit features a durable chemical resistant plastic case and analytical grade glass vials






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