10 Things To Do Before Closing Your Pool
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10 things to do before closing your pool

It’s that time of year again…yes, time to close-up the pool for the season. While not quite upon us just yet, the prep work for winterizing should begin now – about two weeks before you close your pool. It makes the whole process considerably smoother if you tend to these seemingly minute details ahead of time.

2 WEEKS BEFORE CLOSING

1. Order your Pool Closing Kit and take stock of the pool chemicals that you may already have on-hand that you can use to help you close. The Ultimate pool winter kit is what I now use on my 22K gallon pool, after it proved so successful with earlier pool winterizations.

2. Order pool closing supplies. Too many times in the past have found myself tearing through junk drawers looking for THAT ONE specific return plug or attachment piece that I, “JUST saw around here last week”! Take stock of your cover accessories, like the anchor hex key, brass anchors, or water bags and air pillows. Locate your pool closing accessories like winter pool plugs before pool closing – don’t hold up the whole process for a small but necessary detail.

1 WEEK BEFORE CLOSING

3. Balance the pool water. The first step in tending to pool chemistry is to make sure that your pH, alkalinity, and calcium hardness levels are aligned properly.

4. Add stain and scale prevention like Metal Free, which needs a day to work by itself, before adding other pool closing chemicals. Try to remove any stains you have now before closing. Brush the pool several times during the week.

5. Use chlorine shock to kill off bacteria, algae, and to get your chlorine levels to a nice, strong level. Brush the pool afterwards, then vacuum well the following day.

6. For mesh safety covers, or any pool that opens up green in springtime – I highly recommend treatment with Pool Magic Spring & Fall, with PhosFree.

7. Over-filter the pool water by running the pump 24/7 for a few days before closing the pool – bonus points for adding a dose of clarifier. Extra filtering will make sure that your pool water is as pure as possible, to reduce potential for stains and algae during fall and winter.

8. Get a Helper. Line-up someone to help you put on the winter pool cover. You can do 90% of a pool winterization yourself, but the cover is best done with two people. For more pool cover tips, here’s another post of mine on the topic.

POOL CLOSING DAY

9. Shock the pool with non-chlorine shock. Non-chlorine shock comes with all of our winter kits, to oxidize contaminants in the water, without affecting the winter algaecide, up next…

10. Add algaecide to prevent it algae from growing in the upcoming months. Add the algaecide just before you cover the pool, after the water has been lowered.


Most of these steps should be part of your regular pool routine. Now is the time to ramp-up you efforts to get a good head of steam for the long winter months that lie ahead.

Following these steps leading up to closing your pool will not only make the winterizing process smoother, it will make your pool opening easier too!

 

 


Ryan Dornan
InTheSwim Staff Blogger

 

 

 

 


Comments

10 Things To Do Before Closing Your Pool — 4 Comments

    • Hi Heather, yes, you can vacuum the pool after adding the closing chemicals, unless you have already closed (winterized) the plumbing lines. If vacuuming is not possible, you can use a Leaf Rake on a pole, to skim and scoop debris, or you can use a Leaf Master (see our Leaf Gulper), which attaches to a garden hose, for venturi vacuuming into the attached debris bag.

  1. I noticed that water temp should be no higher than 65 when winterizing. In NC that may be in November before I can winterize. Do I need to keep my pool pump running all that while when we stop using the pool in September?

    • Hi Vince; You can close the pool at any temperature, we recommend colder water because the chemicals will last longer, especially when used with mesh covers that allow some sunlight to penetrate. Most people in NC do run the pool until they close the pool yes, but what you could do is cover the pool, and operate the pump and filter and maintain chemistry, but the cover keeps it clean. This works best with a safety cover, but could also be done with a solid cover. If you do close a pool while the weather is still warm, then you should add a double dose of algaecide, and plan to add more chemicals in early spring, early March for you.

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