Calcium Buildup on pool surface

Tile, mosaic, marbelite, Marcite, Marblesheen,
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Use, care and repair of the various surfaces.
BillyB
Pool Newbie
Pool Newbie
Posts: 1
Joined: Mon 21 Aug, 2006 20:21

Calcium Buildup on pool surface

Postby BillyB » Tue 22 Aug, 2006 11:14

I recently resurfaced my gunite pool. Now I have calcium forming on the underwater surface. It is like course sandpaper. How do I get rid of this?


geeman
Swimming Pool Wizard
Swimming Pool Wizard
Posts: 76
Joined: Wed 18 Oct, 2006 14:12
Location: PA

Calcium Buildup on pool surface

Postby geeman » Wed 18 Oct, 2006 14:32

new plaster should be brushed down twice a day for the first 2 weeks to prevent adhesion of scale. try lowering your ph until the scale can be removed with a stainless steel wire brush. then bring your ph back up. underwater sanding pads from 3m work well also but will take a long time
kkenne

Calcium buildup

Postby kkenne » Mon 21 May, 2007 18:32

Was using a very smooth chisel on calcium build-up size of dimes and noticed when i just gently ran the same file over the surface area where no discernable buildups- the finsh was really smooth again- like when new. Will sanding then help me??
geeman
Swimming Pool Wizard
Swimming Pool Wizard
Posts: 76
Joined: Wed 18 Oct, 2006 14:12
Location: PA

Calcium Buildup on pool surface

Postby geeman » Mon 21 May, 2007 18:36

probably. underwater, power washer driven sanders are available but costly. if you have the time and don't mind sanding by hand then check out the 3m diapads

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