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# Add water to around 3/4 full,
# Add water to around 3/4 full,
# Secure cap and shake,
# Secure cap and shake,
# Leave for at least 30 minutes until the water is clear - longer is better, so overnight when possible.
# Leave for at least 30 minutes until the water is clear - longer is better, so overnight when possible,
# Examine the layer of sediment - if > 3 mm has been washed from 5 cm of product, reject the material.
# Examine the layer of sediment - if > 3 mm has been washed from 5 cm of product, reject the material,
Note that the sediment may collect on top of, or at the bottom of the construction material.
==External references==
*Heger, S. (2014). Critical Aspects During System Installation and Inspection General equipment considerations. In PMSA conference. Retrieved from http://www.psma.net/pdf/14/conference-presentations/Keys to Installation (Heger).pdf