Jbro ..... the SLAM links above are where you want to be. Read carefully before you start. Not sure about the history of your water though, so before you add any stabilizer, you might consider adding only enough bleach to increase the FC to about 10, then test again in about 10 minutes. See if it held between 5-10. Do that test to ensure the FC didn't completely crash to zero. Also make note of your CC level to see if it's exceptionally high. If none of those things happend, you should be safe to move forward with the SLAM by adding stabilizer to 30 and FC to 12. But if the FC did crash and CCs went high, post back and let us know.