Re: IG Pool Rebuild Questions ?
I'm not local to you so can't help with builder recommendation. Re: changes you could make now to mitigate algae problems. You'd want to be sure the pool has adequate circulation, consider perhaps an extra return or two if you have dead spots. Regardless of the question, a larger filter is almost always the right answer. But I imagine DE and sand filters are just as expensive as the cartridge I have. So, if you don't need to....
If your plumbing is old and undersized, estimate what it would take to go 2" or 2.5". I don't have a strong opinion about the skimmers - I know algae loves to hide in skimmers but the ultimate solution is probably to go with a high-chlorine maintenance regimen... forever.
No SWG? Then probably experiment with 15% FC - free chlorine as a percentage of CYA cyanuric acid. Mustard algae is a strange organism. I had some attack the pool last summer after being algae-free for more than 10 years. No one has yet convinced me that it doesn't feed on plastics, vinyl ... (and possibly small children (!))
But the reason pools develop algae in the first place is just too simple: neglect. That was my mistake. So after you've spent the big bucks, schedule 1o minutes of your time each morning, perform a poolside test for FC and always have some sodium hypochlorite at the ready to keep the pool's FC at 10-15% of CYA. Then the mustard may go hide somewhere ... you don't care as long as it doesn't come back. Best of luck!
16'x29' free-form 14K gal IG gunite pool; SWCG & sodium hypochlorite 8.25%; Hayward SwimClear C4025 cartridge filter; Hayward SP3202VSP TriStar Variable Speed Pool Pump; custom test kit based on Taylor K-2006C; city; PF:8.6
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