low chlorine

I recently took on a commercial pool and have been running into trouble maintaining proper balance. The site has 2 Stenner pumps, one for chlorine and one for acid, which I diluted today 1 to 1. I have the chlorine pump set at it's max setting and the acid pump at it's lowest but every time I...

Up until last week, all was fine with my readings. This week, I have had several days of very low readings (~1) on my FC. I then add the needed bleach to bring the level up, as Pool Math suggests. I am not sure if it is an algae problem (I don't see any sign of algae) or a SWG that has gone bad...

Hello! I am grateful for any help here - I feel like I've been running in circles and have gotten opposing answers from local pool stores and experts I've consulted. I have a 26k gallon, vinyl liner pool with AquaCal AutoPilot DIG-220 with a PCC 1 salt cell I had the salt generator installed...

First time pool owner. This morning I finally get the K-2006 test kit and did the first test, here is the result: 12x32 inground, sand filter, vinyl, not very sure about the volume, one store shows 79939 liters, other shows 61203 liters, but I guess it will about 20k gal? Cannot see the bottom...

I’ve been back and forth to three pool stores multiple times this month. Has me use alkaline, calcium, clarifier, flock. Now back to super shocking. Still constant cloudiness but no algae Help! Hardness 250 Total chlorine .5 even after shock last night Feee chlorine .5 Ph 7.6 Alkaline 120 Cya 40