What chemicals are used to winterize a pool?

Author: Toni Senger  |  Last update: Thursday, June 30, 2022

What Pool Closing Chemicals Do You Need?
  • Chlorine-Free Pool Shock: Add 2 days before closing the pool.
  • Stain & Scale Treatment: Add 1 day before closing the pool.
  • Winter Algaecide: Pour into the pool just before covering.
  • Winter Floater: Place into the pool just before covering.

What chemicals do you put in a pool to winterize it?

What chemicals do I need to close my pool?
  1. Chlorine.
  2. Pool Shock.
  3. Soda Ash.
  4. Baking Soda.
  5. Muriatic Acid.
  6. Winter Algaecide.
  7. Pool Antifreeze.
  8. Stain and Scale Prevention.

Are pool winterizing chemicals necessary?

You really only need one chemical (algaecide) to properly winterize a swimming pool. You need some other stuff to protect your pool from harsh winter conditions, but only one chemical to add when closing.

What chemicals do you need to winterize an above ground pool?

Winterizing chemical kit or pH increaser, Alkalinity increaser, Calcium hardness increaser, Pool shock, and Algaecide. Clarifying enzyme supplement (optional, but recommended) Above ground pool skimmer cover. Expansion plugs.

How much chlorine is needed to winterize a pool?

Super chlorinate with liquid chlorine or other chlorine source and add winterizing chemical kit to pool; allow filter to circulate to evenly distribute chemicals. (Use chemicals as labels indicate.) Use 1 gallon of liquid chlorine per 10,000 gallons of pool water.

In what order do I add winterizing chemicals?

How much shock Do I need to winterize?

The Proper Chemicals: -Add 1 lb Granular Shock OR 1 gal. Liquid Shock per 5,000 gallons of pool water. -Add an appropriate sized "Winter Chemical Kit" or the proper amount of Algaecide/Winterizer. (If adding our famous "Winter Pill," add this pill right before you put on your cover--read directions on the Winter Pill.)

How much shock Do I need to winterize my pool?

Add 1 gallon of shock per 10,000 gallons of pool water and 1 gallon of Winterizing Pool Chemical Agent per 15,000 gallons of pool water. Spread swimming pool covers for above ground pools over pool and secure cable around the perimeter.

How do I keep my above-ground pool from freezing in the winter?

6 Tips to Avoid Winter Damage to Your Above Ground Pool
  1. 1) Keep Excess Water Off Your Winter Cover.
  2. 2) Keep Leaves from Piling Up.
  3. 3) Clean Off Any Snow Buildup.
  4. 4) Use an Ice Equalizer Pillow to Prevent Ice Damage.
  5. 5) Stay on the Lookout for a Rapidly Receding Water Level.
  6. 6) Address Any Pool Buckling Immediately.

Do you put antifreeze in above-ground pool?

Pool antifreeze is not for the pool, but for the pipes. For aboveground pools, you should use an air pillow to break up the ice sheet that forms in the pool, or you can use half a dozen milk jugs, filled partially with pebbles and pool antifreeze, to absorb the ice expansion.

Can I leave my sand filter out all winter?

If you store your filter in a shed or a detached Garage make sure you cover your filter and keep it away from chlorine or any corrosive chemicals that off gas. Sand filters should be left outside.

Are pool closing chemicals needed?

Chlorine-Free Pool Shock: Add 2 days before closing the pool. Stain & Scale Treatment: Add 1 day before closing the pool. Winter Algaecide: Pour into the pool just before covering. Winter Floater: Place into the pool just before covering.

How do I prepare my pool for winter?

Follow the steps below to prep your pool for the winter months.
  1. Step 1: Remove pool accessories. ...
  2. Step 2: Deep clean the pool. ...
  3. Step 3: Adjust the water chemistry. ...
  4. Step 4: Lower the water level. ...
  5. Step 5: Drain and store the equipment. ...
  6. Step 6: Add shock and algaecide. ...
  7. Step 7: Cover the pool.

Should I add algaecide when closing pool?

By simply adding algaecide to your water prior to closing, you can prevent algae growth from occurring during the cold, winter months which makes for an easier opening in the spring. You can apply algaecide directly to the pool water and allow the pump to continue to circulate for approximately two to four hours.

Should you shock pool in winter?

Shocking the pool during the winter months can certainly help to avoid a green swamp-like pool in the spring. It's often recommended. However, poor water balance or improper application can lead to unintended consequences, such as discoloration and damage to pool surfaces.

Do I need to put chlorine in my pool in the winter?

During the winter months, the amount of chlorine needed from your salt cell to keep the pool clean is reduced. This is due to the fact that it is difficult for bacteria to grow in cold temperatures.

What kind of chemicals do I need for a pool?

What Chemicals Are Needed for Pools?
  • TriChlor: 3-inch tabs, or 1-inch tabs or sticks. ...
  • Dichlor: Granular. ...
  • Bromine: 1” tabs. ...
  • Cyanuric Acid: Liquid or dry chlorine stabilizer. ...
  • Calcium Hypochlorite: Cal Hypo pool shock is used to quickly sanitize pool water, boost chlorine levels and kill algae.

Can you use regular antifreeze in a pool?

Do not use antifreeze in your pool equipment as the salts and glycol can react harshly with both the metal and rubber components causing damage to them. Antifreeze also reacts dangerously with chlorine so refrain from adding it to a chlorinator. Don't add antifreeze to any of your pool equipment.

What can I put in my pool to keep it from freezing?

Clear pipes and equipment of water using a blower or compressor and plug the pipes at the pool. Add swimming pool antifreeze to the lines to prevent freezing. Place a Gizzmo* (or similar device) in the skimmer to seal it and absorb pressure from ice.

What happens if you don't winterize your pool?

Without winterizing your pool, the water could turn green with algae. If the chlorine system stops functioning, you'll say adieu to the beautiful blue pool you know and love. Come spring, your pool will be a homely sight and cause a real dent in your wallet. Bacteria that feed on algae could even cause health risks.

How much algaecide do you put in a pool?

Use the biguanide algaecide for your pool, measuring 16 ounces for every 10,000 gallons of water.

Should I shock pool before winterizing?

Shocking kills any bacteria that might linger in your pool during the winter. We recommend shocking a few days before you close the pool. If that is not possible, make sure to shock the pool the night before you close it for winter.

Should I use shock or algaecide first?

While shocking and adding algaecide is effective in getting rid of algae, it should not be done together. This is because when you mix chlorine and algaecide together, it renders both of them useless. Hence, you should first shock the pool and wait for the chlorine levels to fall below 5 PPM.

What does algaecide contain?

Registered algaecides include copper sulfate, copper chelates (ethanolamines, ethylene diamines, triethanolamines, triethanolamine + ethylene diamine, and copper citrate/gluconate), endothall (as the mono (N,N-dimethylalkylamine) salt), and formulations containing the active ingredient sodium carbonate peroxyhydrate.

How do I prepare for my pool closing?

Ten Steps to Closing your Pool the Right Way
  1. Balance water chemistry: The week you're closing your pool, make sure your water falls within the ranges below. ...
  2. Add shock and algaecide: ...
  3. Clean pool: ...
  4. Store equipment: ...
  5. Lower water level: ...
  6. Drain pump, filter, chlorination and heating equipment: ...
  7. Lubricate: ...
  8. Winterize plumbing:

What is the winterize setting on pool filter?

Winterize position: Used in winter to relieve pressure off seals so they don't flatten and leak over time. Also lets air into the filter to help with draining the water out of your filter during winterizing. Whirlpool position: Used when you want the water to bypass you filter.

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