Bought the test kit this afternoon.
Added 3 qts bleach last night and again this morning, it's looking a lot better, but still has a hint of green/cloudyness.
Here are the results:
Chlorine: 5
Ph: 7.2
Alk: 50
Hardness: 60 (what's this for?)
CYA: didn't even get cloudy to test...black dot was clearly visible at bottom of vial, though the test strips show some is present, we added some last week. We do have a leak near where the water comes back in after filtering, so we end up adding some water every day, perhaps that is affecting the CYA?