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Hello, looking for startup chem advice. Pool is refilling now. SWG, sandfilter, 19.5K gallons. I saw a post from '08 and thought it best to see if there is any updated advice? Looking for a start-to-finish recommendation. Thanks!

Howdy from Round Rock, TX. My 1st post in some time, but I know I can count on y'all. My controller was installed in '97 when pool was built. I did replace the smaller pcba a few years ago with an aftermarket unit. I have also replaced that funky quarter-sized component on the main board...

Greetings, need help badly. Today's readings: Cl 0 - .5 pH 7.8 FC 0 CC 0 CH 550 TA 60 CYA 0 Recent history: Been out of country for 8 days, pool cover removed 5/24. Last full test 4/29, those results are: CL .5-1 (added 2 ga of 6% bleach pH 8.2 (added 32 oz MA) FC 1.5 CC 1.5 CH 350 TA 60...

CL 3 PH 2 FC 2.5 CC 0 TC 2.5 CH 375 TA 110 CYA 55 Water is clear. Pool has been open all winter with SWG/pump running 4 hours per day, 40% SWG. Extended hours with the time change back up to 10 hours. Today I added salt, acid, stabilizer & bleach to start improving my numbers. When I went...

FC 8.0 CC .5 pH 7.5 TA 100 CH 375 CYA 70 Well, gotta admit since I became a TFP convert last year, things sure have gotten easier. I was struggling with routine testing this year, and couldn't quite get my CYA level above 60 even after adding a 8lbs of powder over May & June. This weekend it...

Starting new thread as "Not Maintaining Cl" was solved by replacing display board in my Goldline Controls SWG unit. Now trying to balance chems. Background: Rec'd TFP-100 Test Kit 10/1. Replaced Display board 10/3, set it to 75%. Previously had been using liquid Cl to maintain Cl levels. I...

Howdy from TX. Been struggling with pool for last 3 months. Had black spots in July, got rid of those by adding 25 lbs of granular shock per Leslie's. Can't argue with results, black spots gone in 4-5 days. Since then have reduced CYA by removing/adding H2O. Current Leslie's test results...