The BLS does not have a separate category for assistant principals. According to Salary.com, as of March 2015, assistant principals in the 25th-75th percentile earned $69,591-$93,291 per year, with a median of $79,831.n order to become an assistant principal, your surest path is to accumulate teaching experience and then earn a master's degree in education leadership or education administration.
The last cause of green water in pool water is metals, usually copper, that have oxidized. Metals can be introduced through source water, from some cheap algaecides, or, if the water is acidic, from the metal components of the pool, most commonly from copper heater elements.
We have an inground saltwater pool and we are having trouble getting it clear. It was dark green so we took it to the area pool place and purchased a bunch of chemicals. 2 days later it was milky white. 3 days later it is now blowing milky white out the jets and the pool is getting dark green again.