A psi of 2 is a bit low, but may not be for the lower speed on your pump. One of the equipment guys can answer that better than I can.

You say you've been fighting your pool for the past 2 months--is the problem algae? Or some other problem? If it's a water chemistry problem, we can probably save you a LOT of money over the pool store, if you'll post a set of drop-based test results for us to look at...