Document
Chemical Testing Practice Lesson Plan (DWQT)
This lesson plan describes and demonstrates various chemical testing methods using the colour comparator, and optionally, digital meters, photometers pooltester kits and/or other available equipment.
Document
Chemical Testing Practice Lesson Plan (DWQT)
This lesson plan describes and demonstrates various chemical testing methods using the colour comparator, and optionally, digital meters, photometers pooltester kits and/or other available equipment.
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