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I've been following the recommended ranges for chemicals listed on TFP and the app. Last summer, when I kept the CYA around 70, I had difficulty keep the FC towards the top end of the recommended range. It keep falling and I had to add bleach to keep it up, even with the salt cell running at...

I balance my water every Saturday and didn't notice this last week. I saw white calcium flakes on my pool steps this morning. Near one of the returns. I pulled one out, dropped muriatic acid on it, it fizzed and bubbled so I'm assuming it's calcium. I checked the water chemistry: ph: 7.8 Alk...

Our pool was finished about 6 months ago. It's a plaster, saltwater pool. 11,500 gallons. I've been using the trouble free pool water chemistry guide for balancing and I've had no issues with the water except chlorine lock once. The finish is Wet Edge Luna Quartz, St. Maarten. 2-3 weeks...

I recently SLAMed the pool to clear up a tiny bit of algae growth and a high CC reading. Everything looks good. After FC came back down, I turned the SWG back on. I started it at 60% and noticed the FC was hovering around 2.5. Using Pool Math and the CYA/FC chart, I'm looking to get to at...

I've been fighting very high CC levels for a while and can't seem to get them down. Salt Water Plaster Pool, Chemical Levels (with FAS-DPD chlorine test): FC: 2ppm CC: Over 20ppm (seriously, I stopped at 40 drops and the sample was still pink) pH: 7.5 Salt Level: 3000ppm TA: 90 CYA: 0 (I added...