Newly managing a pool after giving up on my pool service company a month ago. For the past year I've seen white flakes in the pool - they are visible in the sun when the pool otherwise looks very clear. I also have many CH nodules on the bottom and side of the pool but I don't notice scaling.
After I took over managing the pool I upped the CH from 175 to 250, and I'm wondering if I should continue pushing it up to 350 and if that's the likely cause of the issue. I have seen that low CH may cause the leaching but I want to confirm the next steps before I add more calcium.
Specific questions:
1. Are the flakes caused by calcium leaching from the plaster?
2. Is raising the CH the right step to address these?
Test results:
FC: 4
pH: 7.6
TA: 120
CH: 275
CYA: 30
CSI: 0.19
Temp: 89
Pool passes OCLT
Chlorine pool / 20k gallons / Plaster
Pool log from Pool Math:
After I took over managing the pool I upped the CH from 175 to 250, and I'm wondering if I should continue pushing it up to 350 and if that's the likely cause of the issue. I have seen that low CH may cause the leaching but I want to confirm the next steps before I add more calcium.
Specific questions:
1. Are the flakes caused by calcium leaching from the plaster?
2. Is raising the CH the right step to address these?
Test results:
FC: 4
pH: 7.6
TA: 120
CH: 275
CYA: 30
CSI: 0.19
Temp: 89
Pool passes OCLT
Chlorine pool / 20k gallons / Plaster
Pool log from Pool Math:
PoolMath Logs
api.poolmathapp.com
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