Calcium scaling is that nasty white film that forms around the water lines of your beautiful swimming pool. Not only is it unattractive; calcium buildup may also indicate some thing’s off in your water chemistry balance.
Here are a few ways to prevent and remove calcium buildup:
1. Address the Chemistry
Deposits will begin to form when calcium levels are too high. Test your pool regularly to ensure that calcium hardness levels are between approximately 200–400 parts per million. You can lower calcium levels by dilution (draining a portion of the pool and refilling it with fresh water) or use a special product designed for that purpose.
Maintaining proper pH (7.4 to 7.6 ppm is ideal) and alkalinity (80 to 100 ppm) will also prevent scaling. You can lower calcium levels through dilution (draining a portion of the pool and refilling it with fresh water) or through the use of commercially available sequestering agents.
2. Get Out Your Brush
Brushing your pool walls needs to be included in your routine pool maintenance. This helps prevent future calcium buildup.
3. Use Special Formulas on the Deposits
You can apply a solution of muriatic acid diluted with water directly to the calcium deposits, then give the area a good brushing. The solution is applied with a sponge or sprayed onto the deposits. Don’t forget to test your water chemistry afterwards; acid can lower the pH.
4. Big Guns for Stubborn Calcium Buildup
Specialized pool maintenace technicians can remove deposits by using a scraper like a putty knife or “blasting” using sand, glass beads or some other soft media. The blasting technique is effective, but expensive.
Thanks to athleticbusiness.com for some of these tips.
Questions about calcium deposits on your pool? As always, give us a call!
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