Obtaining & maintaining adequate FC w Intex ECO 5110, please help

well that is an interesting question.. Mine have been going 9 years now.. but your filters are not made the same... when they fall apart or get flimsy I think they are done for.. :)
 
well that is an interesting question.. Mine have been going 9 years now.. but your filters are not made the same... when they fall apart or get flimsy I think they are done for.. :)
9 years, wow. So how specifically do you clean them w “chlorine and water,” like what concentration— do you soak and spray or just spray? What’s your process before putting them in the sun to dry? Etc…?
 
Thanks. If I were to stop now and enjoy, at what point (ie what FC) would I start checking (and correcting) the other chemistries again?

I think you are greatly over complicating your pool care.

Get your CYA anywhere between 30 and 60.

Follow the FC/CYA Levels and try and keep your FC about 2 ppm above the recommended level.

Keep your pH anywhere in the 7's.

TA and CH don't matter for you.

You can do all that NOW.

And at what FC would I turn back on the SWG and for how long of a daily cycle? (Two hours should be more than adequate, it’s only a 1000gal pool, but maybe I should restart it at longer cycle length given a close but not fully complete SLAM?)

I don't know the Intex SWG. It is a puny SWG. I would run it as long as possible and see how much FC it gives you. When your FC gets above your target then turn down the SWG and run it less.
 
Thank you, TFP

OCLT last night = 1
CC now still 0.6-1.0

Deciding what we’re gonna do next now. Will keep you posted tomorrow.

Thanks, all and sweet dreams.
 
I just spray them down with this and let them dry.. I am not sure if your filters can handle the pressure but if they can just spray them down... :)

Thanks. That’s what I had been doing. Sounded from your prior post that you used bleach as part of your process in some way?
 
@ajw22 , I saw from another post of yours that average FC loss in the summer is 2-4 ppm. Is that for a 24-hour period? Obviously it varies by sun exposure. What are the other variables (besides contamination)? Thanks
 
@ajw22 , I saw from another post of yours that average FC loss in the summer is 2-4 ppm. Is that for a 24-hour period? Obviously it varies by sun exposure. What are the other variables (besides contamination)? Thanks

2-4 ppm is the average daily FC loss from the suns UV. So it all occurs during daylight hours. You lose little or no FC at night if your water is algae free.

 

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I’m still here and things going in right direction w the hybrid approach I took based on all your wise recs. Busy work wk so haven’t been able to post. Will say that currently FC 7.5, and CC finally 0.1-0.5 (don’t know bc turned white w the first drop)! Last OCLT was 1 although haven’t repeated it in a few days. Maybe we hit the 3 criteria?!?
 
Ok, finally have a chance to catch up here. After several days of pure SLAM, I decided to do a hybrid approach considering the progress made, our very small pool temp volume, exhaustion w sunrise awakenings, and interference with limited pool-enjoy-time remaining this summer. No doubt that the TFP principles and the hybrid modification, based on TFP temp pool considerations, got us through.
When I stopped the full SLAM on 8/14, the FC was still 15. I kept the CYA low (~40) at first, just in case. Then I did a SWG boost for several hours and continued to run SWG as needed to keep the FC as relatively high (FC at least 7-10+, CYA 40) as possible but without using liquid chlorine, doing daily OCLT, which was already down to 1, or full SLAM levels. We enjoyed the pool during the heat wave and beyond, thankfully.
I monitored the CC once/day and FC ~twice/d and by 8/20, my CC had finally come down to 0.1-0.5. I also closely monitored and recorded the change in FC at various points during the day with reference to how many hrs/d SWG ran, to get a sense of total FC loss during the day and during daylight and our SWG generation rate. Cleaned pool and filter more regularly. When my CC finally got <0.5 (the 3rd criteria for SLAM met), I decreased SWG run time w goal of trying to find the maintenance run time, after repeating OCLT once more (now 0.5 on 8/25). Also, then brought CYA back up to ~70. Since then, the water has remained clear and I’ve been maintaining a FC of ~5 (range 3-7 w a rare dip just preceding next SWG cycle) with 3-5hr SWG runtime. I’ll boost SWG if FC is on the low side and monitor CC.
Unless there’s another heat wave without torrential rain, we only have a few pool days left before school starts and the weather cools at this point. I am grateful to have gotten here successfully with your collective wisdom and to have had some SLAM-relief pool enjoyment in recent week or so. Thank you!
 
It’s still a bit of a mystery why my SWG run time for maintenance is so long (easily 4h/d) when the manufacturer’s guideline for our 1000gal pool is only 1h/d, unless the new titanium electrode isn’t functioning fully or something else is mechanically wrong. Maybe I’ll boost a bit more and try for 3h/d?
 
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