Procedures to measure Available Phoshpate (nutrients) with a DC1200 or SMART2 colorimeter.
This test is only completed by Senior Waterwatch groups - high schools and adults - as it involves the use of chemicals.
Please ensure you take proper WH&S precautions when undertaking this test, i.e. gloves, safety glasses, liquid waste container, deionised water and paper towel. Liquid waste can be disposed into the sewer system or septic system.