Help with staining

[Responderdanny]

[h=4][/h]I've tried shocking and Spot out with no luck, local pool store suggested drain free acid wash or Algae Spot out from Pinch a penny, we just bought this house last July and the previous owners did not maintain the pol for at least a year the water test fine except TDS are 4400

 

[woodyp]

Try letting a chlorine puck sit on a bad spot for 15 minutes or so to determine if it is organic in nature or not.

 

[Responderdanny]

I Just tried that and nothing
Danny