Help, again my SWG pool dropped to zero chlorine. After being at 1.5 Friday, I added the correct amount of chlorine turned up the % of runtime on my AQR 15 and this am.... No chlorine all my other numbers Are good. Pool math says to add 164 oz of 8.25 bleach. But what us going in here? It seems my SWG is not keeping up with whTever is in the pool