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When is the Best Time to Open My Swimming Pool?

By: Marcus Sheridan on April 21st, 2018

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When is the Best Time to Open My Swimming Pool?

Pool Maintenance

Well, it's that time of year again, folks. And after the winter we had here in Virginia, I say good riddance!

But with the warmer weather, the ‘swimming bug' will soon be affecting all of us. (That is, if it hasn't already done so.)

In fact, as I write this article and sit in my car at a parking lot in Yorktown, Virginia, the temperature outside is about 93°F degrees on April 7. Wow, now that's what I call skipping spring!

But during this time of year, many pool owners debate about when they should open their pools. When is too early? When is too late?

This is a legitimate concern, and this article will discuss my thoughts on the matter.

This is my general, all-encompassing rule of thumb:

When the temperature is consistently above 70 degrees during the day, it's time to open the pool.

Why so early, you ask? Well, let me give you 5 main reasons:

  1. Algae
  2. Mother Nature
  3. Pollen
  4. Expense
  5. Beauty

 

When should I open my pool?

You should open your pool when the temperature is consistently above 70 degrees during the day. This helps prevent algae from growing, keeps pollen from collecting in the water, and doesn't cost much more than opening later in the spring.

 

1. Algae

Warmer temperatures breed algae in a swimming pool.

For swimming pools with mesh winter covers (allowing sunlight through), too much sunlight can spell days of work to get the pool up to ideal swimming conditions.

Personally, I'd much rather open up the pool earlier to find a cleaner pool than wait an additional month to be welcomed by a mountain of algae.

 

2. Mother Nature

Mother Nature is a funny lady. She loves to play tricks on all of us.

This was certainly the case this past weekend when I opened my pool. My neighbors thought it was silly that I was opening the pool so early in April. Of course, when they saw my kids in the pool yesterday, they didn't think it was such an odd decision any longer. And this is without even having a heater on the pool.

It's pretty satisfying that it's early April and my kids are literally in our pool as I write this article.

 

3. Pollen

In Virginia, pollen is a major pain in everyone's tail during the month of April. Another problem, though, is that pollen wreaks havoc on non-circulating water.

For example, all the pools that are closed right now (at least in the Virginia/Maryland area) are allowing pollen to get in the water and just sit there. This will make it even more difficult to open and clean the pool later.

But for the pools that are open and circulating, the pollen will be simply sucked into the skimmer and caught by the filter. That will, in turn, keep it from turning your pool into a yellow lagoon.

 

4. Expense

Many people hesitate to open their pool early because they feel it's too expensive. But considering that most swimming pool owners now have salt water pools and two-speed motors on their filter systems, the chemical and electrical cost is almost nominal.

On average, if a pool owner runs their pump on low speed for a month and has a salt system, they'll likely spend less than $50 in total expenses.

And when you compare that to the extra chemicals and cleaning required with a late opening, doesn't an early opening make more sense?

 

5. Beauty

I don't know about you all, but to me there is nothing better than firing up the grill in April and having great food and fun with friends and neighbors. And nothing says 'Summer is here!' like having a beautiful swimming pool running and open to complete such a scene.

Remember, the average pool owner spends more time on their pool's patio than they do in the actual pool, so the sooner the pool is open, the sooner one can enjoy the beauties of their backyard investment.

 

So there are my top five reasons not to wait on your swimming pool opening. For those of you who have an inground swimming pool, check out our How to Open an Inground Pool Video.

As always, we at River Pools hope every wonderful summer in their swimming pool. If you have any questions or comments regarding pool openings and timeframes, please don't hesitate to leave your thoughts and comments below.

We want to help you make the most of your pool!

Next: The Ultimate Guide to Inground Swimming Pool Maintenance

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Editor's note: This blog article was originally published in April 2010 and has been updated and revamped for accuracy and appearance.