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My 3 year old Pentair SF-N1-1H single speed pool pump is making a loud whining noise since Ian passed through. I've been away and the pump was allowed to run its normal schedule of 6 hours per day during the storm. The pump was never flooded so I suspect the pump may have ingested enough rain...

My neighbor in NH has a old in-ground pool with a very old liner. The liner is likely 20+ years old and is in remarkable shape considering, mostly just bleached-out. There is one significant issue, the liner has a major sag at the shallow end (about 3-1/2 feet deep) and has pulled from the...

My daughter's pool in NH is a large three year old in-ground vinyl pool with white plastic stairs and swim-out. Today I was asked about this yellowish-green discoloration of those plastic items below the waterline. The water quality has been good (I've been monitoring/adjusting it), the water...

I've had my RJ-30 SWG for about 16 months now. I've closely tracked water chemistry, chemical additions and SWG settings since the installation so I have good history. The SWG has served me well and was perhaps more effective than I expected, likely because of my screened pool enclosure. Very...

My RJ-30 that was installed about 15 months ago is making a strange noise. The noise evidently started about 4 months ago; my wife could hear it since then but it must have gotten worse and the noise is now very obvious to me. It's making a pulsating noise, about one cycle per second on average...

I've been involved with a number of threads involving the duty cycle of RJ series SWGs. I previously believed that the duty cycle was a 200 minute period based on what Circupool told a member here and from my experience with my own RJ-30. I recently had a CURB energy monitoring system installed...

Just curious about something. When going to "What's new", instead of showing a the full first page of threads it only shows ten followed by a "more" option. When picking "more" it lists the full page and duplicates the first ten, forcing the user to review the list again and find where they...

I recently had a CH testing abnormality that I'd like to share, maybe it will help some others. My CH numbers had been rather stable and predictable, generally running between 200 and 300. It would slowly drop with time from dilution and I'd bump it back with an adjustment. I recently got a...

I've been working toward having more control over my pool in my absence, largely to avoid the need to get someone to intervene for me when I'm away. I've finally got to the point where I can monitor my pump performance, SWG performance, pool water level and pool water clarity. All that helps...

When I leave my house for an extended periods I'm always worried about the pool; water level, water chemistry and water clarity. I have a SWG and I was never certain it and the pump were working when and how they should. I've been thinking of buying a Water Guru but from what I understand they...

I saw a photo on this forum recently and was admiring an underwater pool stairway that had bullnose corners and all surfaces of the stairway were finished with Pebble Tec. Simple, comfortable, attractive and safe. Then I got thinking about how many problems I've seen on this forum with tile...

Just got back to my Florida pool after being away for a while including a time with much rain and many drainings by a relative. A few things had drifted and I noticed that my PH was only 7.5 and the pool hasn't had an acid addition in a long time., in fact nothing acidic has been added including...

Is there really a significant difference in test readings from different water depths? If so, which variables are most affected and by how much? For instance, a test sample taken from an 8 inch depth compared to an 18 inch depth? This assumes the pump is running, I'd never take a sample without...

I know that SWGs should be turned off when adding salt, especially large quantities of salt. The pump should also be run 24 hours straight. Is there a major risk to adding up to 40# to 13K gallons in a plastered pool, leaving the SWG system on and perhaps leaving the pump schedule run as usual...

I was informed that my pool pump in Florida wasn't working today. I'm away and walked a couple people through some basic diagnostics. There was no power to the Intermatic timer that powers the pump and SWG and the main breaker was found tripped. The breaker wouldn't reset until the Intermatic...

I've learned a lot about SWG systems the last year or so while investigating them for my own deployment and living with one a short while. I've also been watching the SWG forum here with the goals of learning more and sharing whatever I've learned that may help others. One thing I've noticed is...

I'm helping a neighbor in NH with her pool. This is a vinyl pool being cared for with liquid chlorine and has a single speed pump with sand filter. It was just opened a week ago. Water was found clear after cover was removed. I vacuumed, added two gallons of 10% then checked numbers for her: FC...

I've been doing considerable research on pump characteristics, efficiencies and features. In particular I've been trying to see how both the Intelliflo and Superflo VS pumps compare to my Pentair SF-N1-1A single speed pump and to each other. Going variable speed is clearly a huge benefit energy...

After seeing a post yesterday regarding upcoming federal regulations requiring variable speed pumps in July 2021, I started to do some research into the topic. As part of that I read the Intelliflo user manual to get a feel for how they can be used and programmed. I also reviewed pump curves for...

My RJ-30 system installed six days ago has been running well, even with it calculating the water temperature as low as 57 degrees. The water temperature has continued to slowly drop. I've been trying to monitor the system to see if/when it stops generating due to its low temperature threshold. I...

While thinking about my upcoming installation of a Circupool RJ-30 system and what items I should have on-hand for the replumbing I started to wonder about something. It appears that all SWG systems come with plastic unions that mate with the chlorine generator body. Are these unions special in...

I recently ordered a RJ-30 SWG system for my Port Orange FL pool. I was planning to install it sooner than later but I just realized that the RJ series has a low water temperature limit of 60F. I believe my water temperature often drops to or just below 60F in December, January and early...

I'm getting close to purchasing the CircuPool RJ-30 SWG system as mentioned in another recent post. I've started to consider how to retrofit it and could use some advice. A picture of my present arrangement is shown in the attachment. The output from the filter first goes to a valve that allows...

I've been contemplating converting my Florida pool to a SWG system for some time now. I just haven't been able to justify the expense with limited discretionary funds the last year or so. That changed recently when a very generous daughter and son-in-law offered to purchase the system as a...

I've noticed that Taylor R-0870 powder starts out white but slowly turns gray as it ages. I suspect that exposure to moisture causes this because I've noticed that it happens more quickly when used frequently and when used in more humid regions. However, even when somewhat gray after a year or...

My daughter had a large in-ground vinyl pool installed in NH this year. It has two deep skimmers and a Pentair IC40 chlorine generator. They had the pool builder close the pool believing that the service was free the first year. It turns-out they charged $280 and I find fault with two things...

My daughter and son-in-law had a pool installed early this summer in NH. It's an in-ground, odd-shaped, vinyl lined 22K gallon pool with a maximum depth of about 8 feet. It has a single speed pump (maybe 2 HP or so with claimed "high efficiency") and SWG. It has a "floor cleaning system", a...

My daughter and husband are having a large pool installed in NH. It's almost complete and start-up is scheduled for later today. It's vinyl lined, 22000 gallons and has "floor sweepers" (multiple jets designed to avoid debris accumulating on bottom). It has a chlorine generator with an autopilot...

My pool in-ground Gunite and white pastered pool was brought back from the dead after I purchased it with my house almost 6 years ago. I've been using TFP procedures and guidelines the last couple of years and the pool seems to be well in control and very predictable. There has been a "tint" to...