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Home /  Home Maintenance / How to Prevent Calcium in Pool?
last_updated_date Last updated: July 21, 2020

How to Prevent Calcium in Pool?

PUBLISHED: February 8, 2019 6 MINS READ

You should know that Calcium is an essential mineral that helps maintain strong teeth and bones. This can be found in most dairy products. It can also be dangerous when there is a reaction with water and acids. This can be quite worrying if you are swimming and the pool does not get enough maintenance. Calcium in pool can also cause irritation when it comes in contact with skin. Also, if it’s swallowed, it can have dangerous consequences in the mouth, stomach or esophagus and have fatal results based on this.

It could lead to white spots of calcium developing on the walls, floors, and tiles.of the pool. But this should not be a reason to worry as it can be removed easily if it’s caught in time.

Calcium scaling is usually a dusty white to white-grey stain that forms on pool sides. This happens when the pool’s calcium levels and pH are imbalanced. Though it may be difficult to do, calcium scales can be removed and preventive steps can be taken to keep them from forming. If your pool has a buildup of calcium scaling then you need to identify the type of calcium and how to treat it from forming again.

How to Prevent Calcium in Your Pool

Two Types of Calcium Buildup

You should know that there are two types of calcium that form in pools. These types of calcium are broadly classified as Calcium Carbonate and Calcium Silicate. While Calcium Carbonate is white and flaky and it’s easier to take off. In contrast, Calcium Silicate is white-grey and it is difficult to remove.

Since Calcium Silicate takes a long time to form, pools with a calcium silicate buildup on their walls often have a scaling formation on the pipes too. If the pool’s scaling proves to be calcium silicate then you should hire a professional. They will decide on removing deposits in the pool and filtration system.

If you need to determine the type of calcium scaling in your pool, then you place a few drops of muriatic acid on the deposit. If it reacts to the acid and foams then it is Calcium Carbonate, if not its Calcium Silicate.

Calcium Silicate looks like a knotted rope on metal and plaster while calcium carbonate looks like a crusty deposit that is found on corners of the swimming pool and appears flaky.

Removing Calcium Carbonate Scaling

You can remove the calcium carbonate deposits with the use of the pumice stone, stain eraser and scale remover. Use the pumice stone only on hard surfaces like tile and concrete. In order to prevent scratching, you should keep the stone and surface wet.

There are several commercially available stain erasers that will remove calcium carbonate. These products are designed to be applied in specific areas. If you use a stain eraser then you should follow the manufacturer’s instructions.

Pool suppliers also have a number of calcium scaling treatments that are safe for pool surfaces including vinyl, fiberglass and steel pools. These treatments are added to the pool’s water and dissolve the deposits in a few week’s time.

Removing Calcium Silicate Scaling

The best way to remove Calcium Silicate is with a pumice stone. This can be difficult to scrub free. You cannot use pumice in a vinyl or fiberglass pool as it would scratch the pool. A calcium scaling additive can remove the deposits but this could take months to dissolve the calcium silicate. In case you cannot use pumice stone then you should connect with a professional to use professional products and remove the deposits.

Preventing Future Calcium Scaling

Calcium scaling is caused due to the imbalance in the calcium levels and the pH of the pool. Your pool can be prevented from future calcium buildup by addressing these two factors:

  • Lower the pH level of your pool’s water, because pH can have a larger effect on calcium scaling than calcium levels do.
  • Install an automatic pool cover that will reduce evaporation, because water that evaporates can leave behind calcium. Remove calcium through a reverse osmosis water treatment.

You should not let calcium scaling spoil the beauty of the pool. If there are calcium deposits, you should determine the type of calcium by using muriatic acid test and remove it. Otherwise, you should go ahead and connect with a pool professional to remove the calcium. You should then prevent the returning of calcium by lowering your pool’s pH and installing a cover.

Appearance of Calcium

There are usually three reasons why calcium accumulates in your pool:

Hard Water

This hard water brings and leaves behind a calcium residue. In areas where hard water is present, you can notice calcium deposits on faucets, sinks, and tubs.

Heat

The southern part of the US has high temperatures around the year and this means that water evaporates and raises the temperature of the water causing calcium deposits.

Chemical Imbalance

In case your pool has a high pH, then this combined with high alkaline and warm water will form calcium scales in your oasis.

What Gets Affected By Calcium?

You should remove all calcium deposits to protect your pool. Here, you can determine what happens to a pool with calcium scale and what gets affected.

Filters

Pool filters work to keep out all sorts of natural debris which includes leaves, dirt, and bugs. The water filter is not built to eliminate calcium and as it accumulates, it slows the equipment and it gets clogged up.

Plaster

Calcium spreads to all parts of the pool and even to the bottom of the pool. This form pits in the plaster. In time, this means that this could be a costly repair to refinish or resurface it.

Health

Those that swim in a pool with calcium can develop skin and eye irritations. Calcium scale damages your pool and pool system and this can get worse unless it is completely removed.

Methods to Remove Calcium from Pool

There are many ways to remove calcium from your swimming pool. These are the most popular ways:

Vinegar

Since it is a natural cleaning agent, this will help remove the early appearance of calcium on the swimming pool tiles. Simply use an old toothbrush and a hand brush with a spray bottle with vinegar. Use the toothbrush or hand brush on the affected area and brush it. If you realize the calcium is not coming off then it could be something more serious.

Muriatic Acid

The muriatic acid is available at the local home improvement and pool supply stores and it can be quite dangerous. You should not enter the swimming pool while using the product. This chemical is hazardous and this is why you should use googles, rubber gloves, a mask, and a respirator while using this chemical. It penetrates the nostrils, mouth and can affect your vision.

You Also Need These Materials:

  • Muriatic acid
  • Bucket
  • Measuring cup
  • Spoon
  • Plastic spray bottle
  • Marker
  • Nonabrasive scouring pad

Instructions:

  • Wear the gloves, goggles and a respirator.
  • Prepare the cleaning solution with one gallon of water and 8 ounces of muriatic acid (use the plastic measuring cup).
  • Pour the acid into the water slowly.
  • Mix the solution slowly (mixing them fast can make it boil).
  • Label the spray bottle and pour the liquid using the measuring cup.
  • Stay outside the swimming pool. Spray the tiles, then scrub them using a non-abrasive scouring pad.
  • Once you finish, call the local pool supply business and ask how to dispose of the unused muriatic acid properly.

It’s better to have an experienced professional deal with muriatic acid and get the job done. You can get a quick tutorial from professional technicians on how to go about the process without endangering those around you.

Pressure Washer

Use a pressure washer to remove calcium scale from around your pool. This is not the same as the one that you use to clean around the pool deck or the driveway. Professionals use a tool called Bead Blasting.

This process uses compressors to blast bead, sand and other elements that help scrape the calcium accumulation from the tiles or walls of your swimming pool. This is fast and works well.  But with proper maintenance, you would not have to do this often as its expensive.

Pool Maintenance and Home Warranties

There’s nothing better than enjoying a quick swim on a hot summer day. Swimming is a great form of exercise and several take it as a form of fighting off those calories and getting trim and fit. While some might feel that owning a swimming pool is a luxury, it’s not surprising that a lot of American homes come with a swimming pool. This would mean that you need frequent maintenance and several forms of cleaning would be required to ensure that your pool is in top notch condition. Cleaning calcium is one of the many things that you should get cleaned but it should not stop you from making your pool calcium-free so that you can swim without having any form of irritation. But constant maintenance can be difficult.

This is why you should opt for a home warranty to take care of all your needs. With a home warranty, you will have a technician come over and repair all your covered appliances and systems. If you thought that looking after a pool was tough then think about having to repair all your appliances and systems all through the year. This is where a home warranty would be able to help for a mere $350 to $500. There are some plans that start at $1 per day and even some that are as low as $28 per month. You should head on to our website and compare home warranty companies to determine which is the best for you. Some home warranties even cover swimming pools but this would be part of its enhanced package.

Most homes spend 1% of the cost of the home every year in just repairs. In case you want your appliances and systems work like a well-oiled machine. Then you should opt for a home warranty. It works when a homeowner pays a small sum to a home warranty company. The home warranty would confirm its services for a period of one year. In case any of the covered appliances and systems breaks then a pre-screened contractor will be sent to inspect and repair your home appliances.

Home warranties are different in terms of its policies, features, and deductibles. This needs to be taken into much consideration before you buy a home warranty. Trying to figure out the best home warranty can be tiring and confusing and so you should head down to HomeWarrantyReviews.com. Check out the reviews of more than 80 home warranty companies in America. Read from reviews written by people just like you. You can also check the ratings and read up on articles that cover home warranties and appliances and systems covered by it.

Every home warranty company has a rating timeline and this is rated from one to five. This is based on the opinions of the company by the public in the course of the last five years. What’s great is that you can gauge and compare prices and features of deductibles and if you are satisfied with a home warranty then you a request for a quote. You’re one step closer to getting the home warranty of your choice! Based on this you will be able to keep your home safer and keep your appliances and systems in order all year round.

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