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In preparation for draining my pool (new liner on the way) I was looking at threads for dechlorination. I found this thread: Calculator or instructions for sodium thiosulfate? and one response referenced another Best Way to reduce Chlorine level. But the latter link appears to be broken? Is...

Hello all, it's been quite some time since I posted here, and I attribute that to the excellent education and pool chemistry practices that I learned here some years ago. But now I have what I hope is a small problem. Like many other posters, I have spots of algae here and there around the...

All, Apologies if this post sounds a lot like a few others this year, but while the symptoms may be the same, the cause (and the cure?) might be different. Opened the pool a few weeks ago and after the usual cleanup, the water looked good. First, the CYA was around 20, so I added some...

All, Just had IG vinyl liner replaced, and water is being added. I saw a post for a new plaster startup, but not a new vinyl...of course I'll clean up the DE grids in the filter and so on....but how long should the water circulate before I start testing, and balancing ? Pointers to another...

All, hoping to get some suggestions on what is causing this and of course any ideas for correction. We had these "fault lines" in our pool, one on the side, the other going from the hopper to the bottom on the deep end (bought the house in the winter, when it was closed and covered) since...

Well a new season upon us here in the Northern Hemisphere, and I for one am happy about that. I have an IG Vinyl pool whose liner will most likely need to replaced next year (10 years). Wondering if it is possible/desirable to convert it to - what? Plaster? Something else? I did not install the...

Mbar, I found your excellent advice re: treating metal stains on vinyl liners with ascorbic acid on poolforum. Thanks! Hoping to do a little follow up here. Background: approx 8 year old vinyl IG pool, 22K gals. Have been using metal-based systems (frogger, most recently eclipse-3) with it...

Hi All, Found this forum after not being able to register on the "other" one - glad to see many of the same posters are here. There's a wealth of knowledge here. We've had our pool more thant 15 years (was here when we bought the house) and we've learned a few things along the way...but it's...