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Thank you for the information. But won't the problem be solved if I remove the drain plug to let the trapped water in the heater get drained?

It was not clear to me why to let a little water always flow through the heater? Would you please clarify? Thank you.

I followed the TFP recommendation and added a bypass valve for my heater when I was building my pool. In the summer, when I don't use my pool heater, I let the water bypass the heater. I am wondering if I should also drain my heater (in the summer) by removing its drain plug?

I started brushing my pool with stainless steel brush (due to the black algae) and adding liquid chlorine this afternoon. All the black algae spots were removed from the plaster. Probably, I should continue brushing for the next several days even though all the spots have been removed, should I...

Thank you. I followed your instruction, scraped up some of the black stuff with my fingernail, and wiped it on a piece of white paper. It did smeared green. I am wondering if I should go for SLAM process? or if it still needs me to do an overnight chlorine loss test to make sure?

Today, I noticed small black spots in some areas of my plaster (please see the photos). I tested the water and here are the results: FC = 1 pH = 8.2 TA = 80 CYA = 50 Based on the results, I know that the chlorine level is low and I need to add chlorine. I am wondering if the black spots are...

@Jimrahbe, I added one more circuit and named it "Spa". The problem solved. Thank you for your help and comment.

Howdy @Jimrahbe. In my initial post, I had attached a print screen of my IntelliCenter app showing the pump setting. I am typing those information below this post again since not all the circuits are showed in that image. Those were set by the builder and I am not sure if the speed and flow...

I have a variable speed pump. It works when the system is on the pool mode. However, I noticed that it doesn't work when I switch the pool to spa mode. I checked the two valve actuators: they operates correctly and do switch from pool to spa mode when I turn on the spa mode. But the pump doesn't...

Thank you for your reply. I just powered the pool equipment breaker off and on in our electrical panel in the garage, and it was fixed. Now, it is connected again to the wifi, and I can control everything from the app.

Thank you so much for the suggestion. I just powered it off and on; and it was fixed :)

Last week, I noticed that my pool is not running. I walked to the controller and noticed that its time and date is not correct. I changed the mode from internet to manual and set the time and the date. Then, the pool started running on its schedule. Later, I found that I was not able to login to...

Thank you @YippeeSkippy for the comment. I owe about $3800 to the builder.

We built our new pool last summer. It was in July that the plaster was complete. The day after plastering, the acid washing started late in the afternoon (due to the late arrival of the crew) and the job took until after the sunset when it got dark. After the pool was filled with water, I...

Thank you Marty. I will try it with Vitamin C tablets. Regarding the spot next to the pool light, isn't it algea? I think it happened when saltwater chlorinator went off for a period of time once in the past.

I noticed these spots in my saltwater pool and spa. Considering my test result (TF-100), I don't think the current chlorine level in my pool is low; and I guess they happened a while ago probably when the chlorine level had been low. I am wondering if there is any way to remove them? I am new in...

@ajw22 Thank you, Allen, for your comment. May I ask why you said "before winter sets in"? Did you say because of rain and snow? or any other reason? I don't think we have will have rain in Houston during the winter.

How can I check if the SWG generates? I changed the RPM to 1700 for the pool mode and I see the SWG is on (the lights on the generator are on).

My automation is Pentair Intellicenter i10PSIC40 (with Intellichlor IC40 Salt Cell).