I love this forum!! Thank you.
I bought an 18x36, in ground, 22,500 gallon vinyl pool in fall of 2004. For the Fall "deal" I got a free Zodiac Clearwater LM2-15 SWG.
After last summer, and now this summer, struggling with algae, I got fed up and took matters into my own hands and educated myself on this forum and the old Poolforum.com. Now, I am not at the mercy of the pool store sales people any more. Thank you to all you regular problem solving contibutors!!
I've had my water tested every day for a week now (after draining half the water, since CYA was at +150). Using a lot of bleach, the algae is gone and pool looks good. (I added 20 Mule Team also, to 30ppm). The problem is that I cannot get the TC and FC up, or CC to zero, running pump and SWG 24/7. I've hit the super clorinate button 3 days in a row now. CYA read 90 yesterday. Salt at around 4,000. TC stays around 1 or less.
So last night, I looked to see what model of SWG was give as the "fall special" (see above), and I searched the internet to see what I could find. Looks like my model is good for 60,000 liters max, or 15,850 gallons. My "free" SWG should have been the LM2-24 for my size pool.
1. How long should I have to run my pump and SWG (at what level), to keep FC at 3-5ppm?
2. Given that my pool was installed 2.75 years ago, what should I expect from the pool store where I bought it?