• Watering with pool water, and putting fresh water in the pool sounds like a winner.
  • You should lower your TA to 100 ppm or so, given your high CH. Read the muriatic acid page in my sig, and the Alkalinity page
  • Make sure you BRUSH the pool completely while the chlorine is high, to expose any remaining algae.

OK.

We've seen several cases this spring of above-ground pools that take a long time (more than 1 weeks) to clear significantly. Usually, there's reason to suspect the big pump / little filter issue as the ultimate cause, but obviously we can't ask people to just go out and get a new filter and pump. The problem we have, at that point is that what we KNOW will work (a new optimal pump and filter combo) is off the table. And all the things are left fall into the "it might help, or it might not category".

So with that said, here are some other options:

1. Getting 2 new Unicel (or Filbur, or OEM) cartridges, and rotating them AND cleaning them properly will likely improve filtration all season, and may help clean up the current mess more quickly.

2. Using a clarifier and/or a liquid floc may help. If you go this route, be careful to follow instructions of the bottle. Products that have been reported to have helped include Bioguard Polysheen and Omni Super Floc Plus. Note that successful use of these products likely will require you to vacuum to waste.

3. Simply raising the chlorine, and then turning the pump off for 24 - 48 hours may allow the algae debris to settle and be vacuumed away.

But . . . no guarantees.

Good luck!