Ive had several calcium deposits that I scrape off but now something different. This is not a regular calcium streak (crack?)
Just a weird calcium lump?
Just a weird calcium lump?
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Calcium deposits
- Thread starter Dunedin1
- Start date
- Jul 21, 2013
- 64,776
- Pool Size
- 35000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60
Looks like another form of a calcium nodule you are dealing with.
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Plaster Installation and Maintenance - Further Reading
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Calcium Nodules in pools
What are calcium nodules? In swimming pools and spas, they are small mounds, bumps, deposits, or “slag” piles of calcium carbonate which are formed from material that has been released from the plaster. The small calcium nodules are rough to the touch, hard, and generally gritty. Nodules may...
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Unusual Calcium Nodules
Calcium Nodules In 1998, the onBalance team published a paper in the Journal of the Swimming Pool and Spa Industry (JSPSI) on calcium nodule formation. The paper provided the science and mechanics for the cause of calcium carbonate nodules developing in pools. It explained that delaminated...
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