Hi all,
I just recently switched to a Hayward SWCG witch is quite over sized for my pool (T-Cell 15 for 40K gallons and my pool is about a quarter at 11K gallons), Per pool store, this site, and the internet in general, everyone said to get over sized especially for a year round Florida pool that gets a lot of sun. That combined with a sale that got me the T-Cell 15 for a little less than the T-cell 3 pretty much made my decision.
So initially right after the conversion my FC was skyrocketing (up over 15) running at about 30% for 8 hours. This turned out to be mostly caused very high CYA (between 180 and 220) at which I was only loosing about 1 FC per day when I turned off the SWCG all together. So fast forward to today I've reduced my CYA to 80 (maybe 90 but 2 out of 3 tests are at 80) and I'm maintaining my FC at 5-6 running my SWCG at 6% for 8 hours going on 2 weeks now.
In my head I'm thinking I'm sized at 25% in FL with a southern exposure pool (albeit screened in) and using the SWCG calculator here I should be running around 37% with my FC loss per day probably around 2 (I had to turn the SWCG off a day because FC went to almost 8 and it was only down 2 the next day). Now if I was off by 10-20% ok but I'm literally running at 1/6 the guestimated amount. At this rate my extended t-Cell could last about 50 years lol
I've searched the forums and I see literally 100's of posts where people are not getting enough FC out of their SWCG but I couldn't find a single one where they were getting too much. I was really just counting this as a blessing until I found that calculator and now I'm wondering if my SWCG is not functioning properly such as the % setting is not accurate. Should I get it checked out or does anyone else have this (not really problem) but situation?
-Tim
I just recently switched to a Hayward SWCG witch is quite over sized for my pool (T-Cell 15 for 40K gallons and my pool is about a quarter at 11K gallons), Per pool store, this site, and the internet in general, everyone said to get over sized especially for a year round Florida pool that gets a lot of sun. That combined with a sale that got me the T-Cell 15 for a little less than the T-cell 3 pretty much made my decision.
So initially right after the conversion my FC was skyrocketing (up over 15) running at about 30% for 8 hours. This turned out to be mostly caused very high CYA (between 180 and 220) at which I was only loosing about 1 FC per day when I turned off the SWCG all together. So fast forward to today I've reduced my CYA to 80 (maybe 90 but 2 out of 3 tests are at 80) and I'm maintaining my FC at 5-6 running my SWCG at 6% for 8 hours going on 2 weeks now.
In my head I'm thinking I'm sized at 25% in FL with a southern exposure pool (albeit screened in) and using the SWCG calculator here I should be running around 37% with my FC loss per day probably around 2 (I had to turn the SWCG off a day because FC went to almost 8 and it was only down 2 the next day). Now if I was off by 10-20% ok but I'm literally running at 1/6 the guestimated amount. At this rate my extended t-Cell could last about 50 years lol
I've searched the forums and I see literally 100's of posts where people are not getting enough FC out of their SWCG but I couldn't find a single one where they were getting too much. I was really just counting this as a blessing until I found that calculator and now I'm wondering if my SWCG is not functioning properly such as the % setting is not accurate. Should I get it checked out or does anyone else have this (not really problem) but situation?
-Tim
. I don't think I'd consider this a problem. I think I'd consider the calculator as a general guide to get in the ballpark and then adjust from there. You can play with the numbers on chlorine production, pool volume and FC loss and get where you are. Who knows, maybe Hayward stuck a few extra plates in yours than others 
.
