Has anyone seriously considered using Shade balls as an alternative....

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May 19, 2015
145
Burbank, California
Pool Size
23000
Surface
Plaster
Chlorine
Liquid Chlorine
After watching this video by Veritasium

For some home owners that never uses their pool and has to continue to dump hundreds to thousands of dollars of chems each year. Why is this not the one and only solution compared to the rest.

If you fall into this category...
1. Never use your pool
2. Getting sick and tired of throwing money at an unused pool.
3. No real solution to closing a pool other than hiring a cement company and filling it in or building a deck.
4. Refilling pool constantly due to evaporation >>> $$$$

According to the video there are a number of positives in using this approach
1. The balls block the sun completely which means there is less evaporation
2. As well as the LA City Rep claimed they use very little chlorine to maintain the body of water if any at all. @8:18. Maybe that's simply PR on his part, I simply don't know.
3. The balls allow the water to stay cooler, which means the water doesn't increase in temp. And I'm really assuming the biggest reason for algae outbreaks are due to water temps getting above 75 to 80 degrees. I personally never get outbreaks in the winter time when the water is ice cold, 2 winters ago, I didn't put any chorine in the pool for almost 6 months and was fine.
4. It takes these things 10 years to degrade, when solar covers last 2-3 years max.
5. Food grade plastic (whatever that means heh), not that it matters for a pool.

Negs: They might fly away due to wind, they look ugly, removing them is probably a *****, high up front cost.

I know for a fact the first thing i'm going to hear is someone saying that it's going to take forever to remove those balls if you want to use the pool one day. My response to that is, I can't imagine it takes me more than 30 mins and 5 minutes max to put them all back in.
I made a post last month, What are the pros and cons of a pool cover?
Which defeated me into thinking a solar cover wasn't a solution at all in an attempt to reduce chemical spending to a noticeable degree.

I know I'm in a minority around here when discussing this kinda topic because we don't use our pool. But I'm like 90% sure I'm going to try this. I already found 3 listings on Alibaba to purchase enough balls for my pool, I need to do some math first.
One of my aunts recently discussed removing her pool as well since her kids are gone and I told her it's a mistake in California to remove a pool. You never know if California will go crazy and stop issue pool building permits. I Also explained to her you can't simple remove the water and expect the pool to be fine after x number of months/years/decades. The entire pool will have to be redone.

I was wondering if anyone else has tried this? Thoughts?
 
Certainly an interesting way to care for your pool. I'm not sure it will work, but make sure you consider:
1. Safety - If someone/something falls into the pool, you would never know. I would recommend a cover on top of the balls for safety.
2. Cleaning - Stuff is still going to fall into your pool and I would imagine skimming and cleaning would be difficult.
3. Chlorine Usage - As stuff gets into your pool and is not easily cleaned up, that is going to increase your chlorine demand likely offsetting any benefit of the balls.
 
The other huge issue is that dirt and pollen continually fall into a pool from the air or from a screened enclosure when it rains. This dirt and pollen will adhere to the balls, and over time they will become a breeding ground for algae.
 
I actually did consider this once … here’s a thought experiment -

Given the surface area of your pool and the fact that you need the spheres to have a diameter of roughly 3-4” to avoid skimmer clogs, how many spheres do you calculate you will need?

Once you come up with that number, then think about this -

Where in the heck are you going to put them when someone wants to use the pool??? (Throwing them on the deck is not an option).

The control spheres work great in reservoirs where you can care less about sanitation or water chemistry. But in a residential pool, not so easy. And if you actually talk to people in the water utility world that have tried this (have a real conversation with them), there are all sorts of real world problems that crop up with their use that absolutely wreck the cost-benefit analysis.

But hey, your pool, time, and money so let us know how it goes ..
 
As a kid we used to go to various resorts in Switzerland in the winters. Many of the nicer hotels had indoor/outdoor pools which were heated and used in the winter. These pools has balls like this to reduce heat loss for the outside portion of the pool, they were light plastic with diameter about 3"... swimming with them in the pool was no problem and it was actually quite fun. I don't know numbers, but I am sure they also had some effect in keeping the heat in. I don't know if they still use them....
 
Certainly an interesting way to care for your pool. I'm not sure it will work, but make sure you consider:
1. Safety - If someone/something falls into the pool, you would never know. I would recommend a cover on top of the balls for safety.
2. Cleaning - Stuff is still going to fall into your pool and I would imagine skimming and cleaning would be difficult.
3. Chlorine Usage - As stuff gets into your pool and is not easily cleaned up, that is going to increase your chlorine demand likely offsetting any benefit of the balls.

I don't see how someone falling in the pool would change anything if there was a single layer of balls or even two layers of balls, if they can swim, they can get out. If anything else falls in the pool, that's irrelevant since ill most likely be removing the balls once a week to check chemistry in the beginning than probably, push it to twice a month, then maybe monthly. If they can't swim, they are Darn out of luck no matter what. Right?

Be more specific on what stuff is going to fall into the pool. If leaves fall in the pool, they will be on the top layer, which might be able to be blown off with a leave blower. But I honestly don't care if leaves fall in the pool. We hardly get any leaves fall into the pool. and normally they float to bottom and I vacuum them out. Our pool really doesn't get much debris overall.

Based on that video's claims, I think you're wrong. But you're just assuming this to be true. The only way to truly know, is to try the experiment and see how it goes.
 
The other huge issue is that dirt and pollen continually fall into a pool from the air or from a screened enclosure when it rains. This dirt and pollen will adhere to the balls, and over time they will become a breeding ground for algae.
Yea, in SoCal we hardly ever get rain. But yes i'm 100% sure dirt and pollen will get into the pool, and that's not an issue. The goal isn't to throw the balls in and forget it. It's to figure out a way to decrease the amount of chemicals and water being consumed yearly for a pool that never gets used.

Animals or small children won't know its not solid. The drowning risk alone makes it a hard pass for me. It's one thing if you don't mind fishing our drowned squirrels. But. No.
We don't have animals (Dogs or cats). And we've had rats and lizards fall in and die all the time. I'm sure the balls would have saved them if they fell in tbh. But the small children argument is something worth considering but not enough for me not to do it. Children don't come to the house anymore.
 

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By all means, go for it...its your pool and $.

My point on the safety aspect is 2 fold:
- The balls hide the water and it may make it easier for people (kids, drunks, etc.) or animals to assume it is a solid surface they can walk on.
- If someone/something falls in, will you be able to see them like you would in an unobstructed pool? Sure, they could get out on their own, but if they need your help getting them out of the pool you may not even see them until it is too late.

As for things falling into your pool, you know your pool better than we do. My point here is that you will lose all skimming ability and it will be harder to clean your pool. A dirty pool will use more chlorine than a clean one, which could eat into or completely negate your chemical savings.
 
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I actually did consider this once … here’s a thought experiment -

Given the surface area of your pool and the fact that you need the spheres to have a diameter of roughly 3-4” to avoid skimmer clogs, how many spheres do you calculate you will need?

Once you come up with that number, then think about this -

Where in the heck are you going to put them when someone wants to use the pool??? (Throwing them on the deck is not an option).

The control spheres work great in reservoirs where you can care less about sanitation or water chemistry. But in a residential pool, not so easy. And if you actually talk to people in the water utility world that have tried this (have a real conversation with them), there are all sorts of real world problems that crop up with their use that absolutely wreck the cost-benefit analysis.

But hey, your pool, time, and money so let us know how it goes ..

Where in the heck are you going to put them when someone wants to use the pool??? (Throwing them on the deck is not an option).

Our pool is 14 x 18 feet. 252 ft x 12 = 3024 inches. if each ball is 100mm ~ 4 inches.
3024 / 4 = 756. Lets round up to 800 to be safe for now.

We have 4, 96 gallon green bins from the city to throw away our green waste. 3 of the 4 of them never get used. I don't know why how we got 4. Each one of these bins HAS to fit at least 100, maybe even 200. Our backyard has plenty of space to fit more trash bins if need be. BUT I don't need to remove all the balls, just enough to be able to see the bottom of the pool as I manually vacuum, put in chemicals, etc.

LdKrZ2I.png


there are all sorts of real world problems that crop up with their use that absolutely wreck the cost-benefit analysis.

It would be foolish to assume there wouldn't be any real world problems that might crop up, but that's the whole point of this discussion, to think of all the worst possible Darn that could happen and see if its possible to address.

But hey, your pool, time, and money so let us know how it goes ..

@ 800 balls. on Alibaba right now, if you search "HDPE hard plastic cover balls" you will see the price range between 6 cents and 25 cents. Even at a price of 25 cents, it's going to cost $200. Last month alone I spent $100 on chemicals. You're telling me it's not worth a shot? What's the worst that will happen to a pool that never gets used? I throw away those balls over time in the black bin? I have to empty the pool and start over....

The number thing people complain about with a solar cover is putting the thing on and off unless you have a rail system. How is this going to be any different. Those balls are not for something that plans on using the pool 2 times a week. It's for a home owner that never uses the pool period.
 
Last month alone I spent $100 on chemicals. You're telling me it's not worth a shot? What's the worst that will happen to a pool that never gets used? I throw away those balls over time in the black bin? I have to empty the pool and start over....

The number thing people complain about with a solar cover is putting the thing on and off unless you have a rail system. How is this going to be any different. Those balls are not for something that plans on using the pool 2 times a week. It's for a home owner that never uses the pool period.
Have you considered installing a salt water chlorine generator? I don't keep track closely, but I doubt I buy $100 of MA each year - nothing else.

You could also consider filling in the pool and being done with it.
 
As for things falling into your pool, you know your pool better than we do. My point here is that you will lose all skimming ability and it will be harder to clean your pool. A dirty pool will use more chlorine than a clean one, which could eat into or completely negate your chemical savings.

Skimming the top of the pool is a factor sure. One that requires some thought, but like I said, it's very rare we get anything that floats on the top of the pool.

A dirty pool is going to become dirty regardless if you have balls on top of it or not. The things falling from the outside air are either going to fall into the pool (no cover) or on top of the balls and eventually back into the pool. Either way, you're going to need to clean the pool periodically. DIRT is not what is required for chemicals, it's algae growth. And algae growth is dependent on 2 things. Direct Sunlight and a warm body of water.
If those balls prevent both of those things (one more than the other). Then the amount of chemicals required will be far less. Less chlorine, less CYA, Maybe even less acid? And on top of that less evaporation. And that is the one and only goal I care about. Even if the bottom of the pool is really dirty after 3 months, as long as it's not algae, it can be easily dealt with. If I cut back my water and chems use by 50%, Those balls will for pay for themselves in 6 months, probably less.
 
Where in the heck are you going to put them when someone wants to use the pool??? (Throwing them on the deck is not an option).

Our pool is 14 x 18 feet. 252 ft x 12 = 3024 inches. if each ball is 100mm ~ 4 inches.
3024 / 4 = 756. Lets round up to 800 to be safe for now.

We have 4, 96 gallon green bins from the city to throw away our green waste. 3 of the 4 of them never get used. I don't know why how we got 4. Each one of these bins HAS to fit at least 100, maybe even 200. Our backyard has plenty of space to fit more trash bins if need be. BUT I don't need to remove all the balls, just enough to be able to see the bottom of the pool as I manually vacuum, put in chemicals, etc.

LdKrZ2I.png


there are all sorts of real world problems that crop up with their use that absolutely wreck the cost-benefit analysis.

It would be foolish to assume there wouldn't be any real world problems that might crop up, but that's the whole point of this discussion, to think of all the worst possible Darn that could happen and see if its possible to address.

But hey, your pool, time, and money so let us know how it goes ..

@ 800 balls. on Alibaba right now, if you search "HDPE hard plastic cover balls" you will see the price range between 6 cents and 25 cents. Even at a price of 25 cents, it's going to cost $200. Last month alone I spent $100 on chemicals. You're telling me it's not worth a shot? What's the worst that will happen to a pool that never gets used? I throw away those balls over time in the black bin? I have to empty the pool and start over....

The number thing people complain about with a solar cover is putting the thing on and off unless you have a rail system. How is this going to be any different. Those balls are not for something that plans on using the pool 2 times a week. It's for a home owner that never uses the pool period.

I get about 722 spheres by my calculations but it’s probably best to round up to 750. You won’t get perfect packing density as the spheres will not float at their midpoint. Definitely check the density of the final product as you don’t want them to sink.

Also, they may cost 25¢ a piece but you have to factor in shipping. That many spheres are going to come on a pallet or in several 50 gallon paper drums. Considering that will be a freight carrier and not your standard UPS truck, my bet is the shipping will cost more than the product. But it’s one time cost so you can just eat that as part of the price of doing business.

Is it worth it? That’s subjective and so that’s entirely up to you. But it seems to me that you’re done with pool ownership so maybe it’s time to either sell the house and move OR if you plan to be planted in the backyard someday, perhaps it’s time to just fill in the pool and be done with it. Unfortunately in CA, pool deprecation requires permitted and inspected demolition work to be done. So the cost of “removing a pool” is a lot more than just back filling it with dirt. But hey, that’s subjective too so it might be worth it to you to consider that. No more pool equals no more monthly expenses to keep it up … the ROI might make more sense.
 
The investment angle of the pool is worth considering. If you're not going to use the pool then you're giving up a large part of your property for something you aren't going to use. How long do you plan to stay there? If more than a few years, that's quite a bit of work to upkeep a pool you're not using in the hopes of getting more for a potential sale many years away. If less than a few years then the price of this plan seems way higher than using a solar cover and maintaining the water chemistry.
 
Sounds like a pit trap. Violates most of the common safety standards set for real pool covers:
  • The pool cover must be able to hold at least 485 lbs. This is considered the combined weight of two average adults and one child, and should ensure that the cover holds during any rescue operation.
  • The cover must pass a Perimeter Deflection Test. During this test, manufacturers have to prove that any openings on the cover are too small to allow objects to pass through, and that they are strong enough to withstand any efforts to pass through.
  • The cover must pass a Surface Drainage Test. This test proves that the cover is designed so that excess water does not collect on the cover’s surface, either by using semi-permeable material or a design feature that allows water to run off the cover.
  • The pool cover must be properly labeled, so consumers can clearly understand information such as manufacturer warranties and ASTM standard warnings.
 
Also, if you’re not using the pool then maybe instead of trying to hide the problem, rent the pool out and make some money off it. Someone might as well enjoy it, amirite?!?


You’ll pay for your balls in no time 😂
 

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