i have an abg 24' round pool. have had it for about 16-17 years now.
Few years ago , against the advice of the local pool store, I decided to try out a swg. First one I got was the Chlorease. loved it, at first. Once i went to salt water, with my polaris 65, it had basically became a zero maintenance pool.
The next year, the transformer on the Chlorease literally melted, was not very happy with customer service, so decided to try a Simple Chlor.
I really liked the simple Chlor plus they had great customer service.
The flow switch wasn't working on mine, which shuts it off when the pump isn't running and i emailed them with just a question about it and without asking, they sent me new everything - basically a brand new unit.
I never had a problem with it and it was back to a zero maintenance pool.....just my style.
I did not need a new one, but I had a little bit of extra cash and came across a decent deal for the hayward Aqua Trol so picked it up.
man I love this thing.
I do not know why, but i have never had a timer on my pump, I always had to turn it off manually, which usually meant it pretty much ran most of the day.
With the hayward, I have it set up to run an hour on and an hour off, starting at 7 am and shut it down at 10.00. I do this because I always leave my polaris 65 connected so I pretty much never have to do anything except jump in and cool down. I really do not use the pool much unless my grand kids are here except to jump in and cool down when i am working outside.
So now I am sure I am extending the life of my pump by not running it all day when it is 100 degrees outside, but every other hour is enough where as long as the polaris is working right, the pool remains free from bugs etc......
Plus I like the digital readout. No kit or strip to check my salt level, just push a button and i instantly know what it is (my old liner leaked so i was always having to add water, which of course affected the salt levels. i now have a new liner so it should remain stable now).
Now if i would have listened to my local pool store, they said i should not use one with an abg pool. I am glad i did not listen.
I honestly do not do a thing to my pool since using a swg. I get the levels set in the spring when I open it up and probably because it does not get heavy use, they stay level all year until i close it.
I pretty much do absolutely nothing. maybe once a week i will check the chlorine levels as i do adjust the output during the different times of season. Since adding a solar cover i have it turned down to less than 20% and it stays perfect, of course it isn't 100 degrees every day now.
My advice would be, if you like to just enjoy your sparkling clear pool and not have to be messing around with the levels all of the time, get yourself a swg. I would bet it will be the best thing you ever did for yourself and your pool.
But if you like to always be tinkering with the chlorine levels, buying tubs of bleach etc, trying to decide if you need to add 1/2 gallon, 1 gallon etc, stay away from a swg as you may just find you no longer have anything to do except swim