Plaster is real old (probably 15+ years). Is there anything I can do about removing those tiny stains found generally throughout the pool, plus some big blotches and some staining on stair edges?
Or is it hopeless cause (I should consider resurfacing)?
Test results (first-tft-100-test-results-t29769.html):
Date: 4/8
Temperature during day: ~75 F
FC: 17
CC: 0
TC: 17
pH: 7.6
T/A: 130
CH: 360
CYA: 40?
Or is it hopeless cause (I should consider resurfacing)?
Test results (first-tft-100-test-results-t29769.html):
Date: 4/8
Temperature during day: ~75 F
FC: 17
CC: 0
TC: 17
pH: 7.6
T/A: 130
CH: 360
CYA: 40?