
Low and high Total Phosphorous and a Total Nitrogen test that are reacted in a heater block and are then tested using a colorimeter or spectrophotometer. This ships as Small Quantity Hazardous Materials.
| Part Number | Model | Capacity | Quantity |
| LA-4024-01 | Low Total Phosphorus | 0 - 3.5 mg/L | 25/Tests |
| LA-4025-01 | High Total Phosphorus | 0 - 100 mg/L | 25/Tests |
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