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BlueWaveNeverEnd

(15,336 posts)
Tue Jun 16, 2026, 12:15 PM 9 hrs ago

pool renovation expert had seen it coming - the algae bloom in the relecting pool was inevitable when painted a dark co

https://www.rawstory.com/reflecting-pool-hydrogen-peroxide/



A pool renovation expert had seen it coming. Canadian specialist Steve Goodale, known as "Swimming Pool Steve," warned the Washingtonian that darker paint absorbs more sunlight, raises water temperature, and makes algae blooms inevitable.



"'If we change nothing else except the color, and we go from a lighter color to a darker color, absolutely you're going to have more prolific algae growth,'" Goodale said. "'It's a foregone conclusion.'"

"'Y'all, not to be a huge nerd but for the reflecting pool you would need a minimum of about 8,000 liters of 12% hydrogen peroxide to reach the 50 parts per million concentration to kill algae,'" Dr. Michael O'Brien, a South Carolina pediatrician, wrote on X. "Is this what happens when you have 0 scientists in your administration? 9th
64 replies = new reply since forum marked as read
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pool renovation expert had seen it coming - the algae bloom in the relecting pool was inevitable when painted a dark co (Original Post) BlueWaveNeverEnd 9 hrs ago OP
8,000 liters is more than 2,000 gallons. Ocelot II 8 hrs ago #1
Awhile...like by the end of djt's term in office. Algae is pesky stuff. nt allegorical oracle 8 hrs ago #5
At least their not using the little bottles from walgreens BlueWaveNeverEnd 8 hrs ago #7
They're going to need bigger bottles LogDog75 7 hrs ago #26
I saw what you did there PCIntern 7 hrs ago #37
I count 9 boxes in that pic, looks like 4 bottles/box. So he's got a whopping 36 gal. RockRaven 5 hrs ago #58
How long before they put a tarp around the pool? RedWhiteBlueIsRacist 8 hrs ago #2
Desperate calls being made to Elon: Attilatheblond 5 hrs ago #51
Experts? We don't need no stinkin' experts! yellowcanine 8 hrs ago #3
If this regime was made into a comdey movie Attilatheblond 5 hrs ago #52
Everything Trump touches turns shitty. yellowcanine 8 hrs ago #4
It's More Than The Dark Paint ProfessorGAC 8 hrs ago #6
Oh..ok BlueWaveNeverEnd 8 hrs ago #8
The algae would have come back anyhow. Ocelot II 8 hrs ago #11
Agreed ProfessorGAC 8 hrs ago #12
They could skim the algae off first and turn them into snacks... progressoid 8 hrs ago #17
Trump Crackers. vanlassie 7 hrs ago #18
And put them in a gold bag! progressoid 7 hrs ago #21
I bet the maga experts didn't think about goose poo! erronis 8 hrs ago #13
Do goose-stepping ICE goons produce goose poo? Dr. T 7 hrs ago #38
But now it will come back faster! GenThePerservering 7 hrs ago #23
We have the BEST algae! A big strong man, with tears in his eyes said 'Sir, how did you think to make so much algae?' Attilatheblond 5 hrs ago #54
Algae needs light to grow Farmer-Rick 7 hrs ago #19
Maybe they could use the tarp from the Kennedy Center. Realistically, though, Ocelot II 7 hrs ago #22
Yeah algea can come from the environment Farmer-Rick 6 hrs ago #42
It appears that algae problems are quite common in salt water pools, as well. Ocelot II 6 hrs ago #44
Especially Cement/Concrete ProfessorGAC 6 hrs ago #49
The harsh chemicals used in Farmer-Rick 3 hrs ago #60
if you are refering to sanitizing a pool with a salt system Kali 5 hrs ago #56
Good Points ProfessorGAC 6 hrs ago #48
Yes they had to flush out the pipes before filling up the pool with "fresh" water FakeNoose 7 hrs ago #32
Maybe President Know-it-all thought cheaper was better? calimary 6 hrs ago #46
I'm no pool expert and I could have told them that... kentuck 8 hrs ago #9
Anyone who's ever had an aquarium knows that algae will take over if you let it. Ocelot II 27 min ago #63
Canadian? Obviously he's just saying that because he hates President Trump. tanyev 8 hrs ago #10
They will need to add fountains. The Madcap 8 hrs ago #14
Is that what's on the back of his hand? 3825-87867 8 hrs ago #15
Other Option wcollar 8 hrs ago #16
We don't need no stinkin experts! LuckyLib 7 hrs ago #20
Has trump figured out a way to blame Joe yet? 70sEraVet 7 hrs ago #24
Nah it was AOC and her Green New Deal.. thomski64 7 hrs ago #27
they already did. LuvLoogie 6 hrs ago #41
jeez, Donnie, why not just cover it with a mirror rurallib 7 hrs ago #25
Are we sure the algae problem wasn't caused by LogDog75 7 hrs ago #28
This message was self-deleted by its author Figarosmom 7 hrs ago #29
Of course trumps Figarosmom 7 hrs ago #30
But Trump is an expert. His cultists say so. Reflecting pool fixed for good. Norrrm 7 hrs ago #31
The organic eutrophic Traildogbob 7 hrs ago #36
IOW.... MarcoZandrini 7 hrs ago #33
Disneyland may have some experts. hunter 7 hrs ago #34
Algae Traildogbob 7 hrs ago #35
The rapture happened back in september 2025. mwmisses4289 6 hrs ago #43
Preach!!!!! Traildogbob 4 hrs ago #59
Trump will sue the company that painted it for the amount we paid that they didn't kick back to him. LudwigPastorius 7 hrs ago #39
They really have nobody with any knowledge or intelligence in this administration. Wiz Imp 6 hrs ago #40
I remember when these morons were talking about hydrogen peroxide (self-administered, by mouth or inhaled) for Covid RockRaven 2 hrs ago #61
;-{) THE CURE Goonch 6 hrs ago #45
If you want even more fun... Jirel 6 hrs ago #47
Like the time Don the Fraud excursioned Iran. Kid Berwyn 5 hrs ago #50
Trump is an interior and exterior designer underpants 5 hrs ago #53
Is he already looking at swatches for the drapes he will order installed around that pool? Attilatheblond 5 hrs ago #55
From what I've read he was still deeply into the design of his hotel at the Post Office underpants 5 hrs ago #57
So, The Felon's minions will keep dumping hydrogen peroxide Wednesdays 2 hrs ago #62
Donald had a comparison of the pool under both Obama and himself. Norrrm 17 min ago #64

RockRaven

(19,957 posts)
58. I count 9 boxes in that pic, looks like 4 bottles/box. So he's got a whopping 36 gal.
Tue Jun 16, 2026, 04:16 PM
5 hrs ago

I'm curious what the calculation would be on how long it would take for the algae in a pool of that size and starting concentration to regrow whatever fraction of the algae population which would be destroyed/neutralized by 36 gallons. Would it even be measured in days, or just hours?

Attilatheblond

(9,428 posts)
52. If this regime was made into a comdey movie
Tue Jun 16, 2026, 03:41 PM
5 hrs ago

AI would have a very young Mickey Rooney suggesting "I know, let's have a SHOW!"

Worst idea any American had was to create a 'reality show' where Trump pretends to be a smart businessman. That blue suit guy took it seriously and convinced a lot of really dumb people to put him in the White House so he could fire characters they didn't like.

ProfessorGAC

(77,568 posts)
6. It's More Than The Dark Paint
Tue Jun 16, 2026, 12:47 PM
8 hrs ago

The water in the pipes, sitting static, concentrated the algae.
Once the valves were opened, the first several hundred gallons of water had loads of algae that hadn't had any exposure to oxygen (bad for algae).
Since it's not soluble, diffusion doesn't apply, so those concentrated colonies has a chance to bloom wildly.
The added temperature, of course, does matter.
But, the higher temperature could have been ameliorated by the addition of about a half-gallon of hypochlorite bleach while still in the pipes.
99+% of the algae would have been dead before it went into the pond. Simple filtration makes it a non-issue.
This was done very sloppily.

Ocelot II

(131,682 posts)
11. The algae would have come back anyhow.
Tue Jun 16, 2026, 12:53 PM
8 hrs ago

Warm, still water, with duck and goose poo for fertilizer = algae. It's been a problem ever since the pool was built, and just painting the damn thing blue didn't improve anything at all.

ProfessorGAC

(77,568 posts)
12. Agreed
Tue Jun 16, 2026, 12:58 PM
8 hrs ago

It requires treatments like those used in cooling towers.
Algae in a cooling tower is death to heat transfer system (causes bad fouling), so has to be controlled and it is, tge world over.

progressoid

(53,485 posts)
17. They could skim the algae off first and turn them into snacks...
Tue Jun 16, 2026, 01:29 PM
8 hrs ago

Green snacks...?
Green crackers...?
Algae green...?




erronis

(24,823 posts)
13. I bet the maga experts didn't think about goose poo!
Tue Jun 16, 2026, 01:09 PM
8 hrs ago

They are hard to avoid in the DC downtown area - tidal pools, etc.

Attilatheblond

(9,428 posts)
54. We have the BEST algae! A big strong man, with tears in his eyes said 'Sir, how did you think to make so much algae?'
Tue Jun 16, 2026, 03:45 PM
5 hrs ago

Farmer-Rick

(12,830 posts)
19. Algae needs light to grow
Tue Jun 16, 2026, 01:51 PM
7 hrs ago

Algae dies in dark pipes. I move my water for animals into underground storage during summer to prevent algae growth so rapid that it blooms immediately when I pump it into their troughs.

The brilliant pedo Trump administration pumped the new water from an open water source with algae already in it. (Perhaps the Potomac or Anacostia rivers?) And it merely grew and thrived in the extra heat.

Most algae will die in about 7 days in the dark. Some very hardy types of algae will take about 2 weeks to die. But algae does not grow or survive in dark pipes. The pool was empty for about 6 weeks. Long enough to kill most all algae.

They should consider covering it with a black out tarp. That will kill it in about 2 weeks. Though I can't imagine a blackout tarp that big.

Also a salt pool would be more environmentally safe than all the chemicals they are pouring into the pool.

This is what happens when scientists are removed from the equation.

Ocelot II

(131,682 posts)
22. Maybe they could use the tarp from the Kennedy Center. Realistically, though,
Tue Jun 16, 2026, 02:01 PM
7 hrs ago

the algae would come back. And some kinds of algae grow in salt water. There's no getting rid of algae permanently as long as you have un-aerated warm water, and you can't aerate a reflection pool if you want it to reflect.

Farmer-Rick

(12,830 posts)
42. Yeah algea can come from the environment
Tue Jun 16, 2026, 02:41 PM
6 hrs ago

From off ducks, from spores on the wind, from food dropped by animals.

But it doesn't come from dark pipes or underground storage.

Algae spores are very hardy and that's why people who don't understand photosynthesis think it comes from underground pipes. It's the spores that remain in the dark that rehabitates water once they are exposed to the right conditions.A dark bottom stagnant pool is just what they need.

Yeah there are some very resilient algaes that can thrive in salt water and without light. But it is very rare.

They should have started treatment as soon as they were done pumping. But I still think a salt pool might be the answer.

Ocelot II

(131,682 posts)
44. It appears that algae problems are quite common in salt water pools, as well.
Tue Jun 16, 2026, 02:51 PM
6 hrs ago
https://www.autopoolreel.com/blogs/news/removing-algae-in-your-salt-water-pool

Salt water isn't the solution. It's extremely corrosive and would require even more maintenance than the existing system. The electrolytic properties of dissolved salt will destroy metal components and damage stone and cement materials.

ProfessorGAC

(77,568 posts)
49. Especially Cement/Concrete
Tue Jun 16, 2026, 03:27 PM
6 hrs ago

An inorganic mechanism of metathesis exchanges the calcium ions with sodium in tge salt.
This destroys the crystal matrix because it's monovalent.
It causes bad crumbling.
As to pipes and pumps, cast iron is preferred. Stainless steel us a hard no.
The issue with pumps comes in when the system is static. Concentration gradients occur and the salt precipitates and it becomes a grinding compound for the impeller.
For some products, we had brine solutions but those had to be kept circulating. If pump maintenance was needed, those lines were drained and flushed so static periods were only fresh water.

Farmer-Rick

(12,830 posts)
60. The harsh chemicals used in
Tue Jun 16, 2026, 05:33 PM
3 hrs ago

Swimming pools are also very corrosive.

I had no idea salt water adapted algae was so widespread. Damn it seems to be everywhere now that I'm looking for it. So, I guess using salt wouldn't solve the problem.

Kali

(56,962 posts)
56. if you are refering to sanitizing a pool with a salt system
Tue Jun 16, 2026, 03:53 PM
5 hrs ago

it is actually a chlorine system. "conventional" salt water pools use an electrolysis system to split the salt molecule and create chlorine gas which sanitizes the water. it cycles back to salt as it is used in the oxidation process. lots of algae grow in the salt water of oceans/seas etc. most seaweed is in fact algae.

ProfessorGAC

(77,568 posts)
48. Good Points
Tue Jun 16, 2026, 03:22 PM
6 hrs ago

But, some algae can go dormant for more than a week.
In general though, you are correct about needing light.

FakeNoose

(42,850 posts)
32. Yes they had to flush out the pipes before filling up the pool with "fresh" water
Tue Jun 16, 2026, 02:17 PM
7 hrs ago

But even the so-called fresh water would have gone green if it sits in the sun all day, and it's not moving.
Most of us know this, but almost 250 years ago Washington, DC was built on top of a swamp so ....

kentuck

(115,912 posts)
9. I'm no pool expert and I could have told them that...
Tue Jun 16, 2026, 12:49 PM
8 hrs ago

I did have a little stream with a fish pond in my back yard at one time. The algae was a problem.

Ocelot II

(131,682 posts)
63. Anyone who's ever had an aquarium knows that algae will take over if you let it.
Tue Jun 16, 2026, 09:02 PM
27 min ago

Maybe the reflecting pool needs a whole lot of snails?

tanyev

(49,879 posts)
10. Canadian? Obviously he's just saying that because he hates President Trump.
Tue Jun 16, 2026, 12:51 PM
8 hrs ago

If people just respected President Trump like they should that algae never would have grown!



3825-87867

(2,044 posts)
15. Is that what's on the back of his hand?
Tue Jun 16, 2026, 01:15 PM
8 hrs ago

I thought it was from "something" else.
After all, he IS right-handed!

70sEraVet

(5,714 posts)
24. Has trump figured out a way to blame Joe yet?
Tue Jun 16, 2026, 02:05 PM
7 hrs ago

Slow-release algae capsules, to spoil trump's birthday?

rurallib

(64,909 posts)
25. jeez, Donnie, why not just cover it with a mirror
Tue Jun 16, 2026, 02:08 PM
7 hrs ago

then you can go look at your beautiful self any time you want.

LogDog75

(1,436 posts)
28. Are we sure the algae problem wasn't caused by
Tue Jun 16, 2026, 02:12 PM
7 hrs ago

The Orange Turd taking a dip in the Reflecting Pool?

Response to BlueWaveNeverEnd (Original post)

Figarosmom

(14,414 posts)
30. Of course trumps
Tue Jun 16, 2026, 02:14 PM
7 hrs ago

"Pool guy" is just a fly by night type. I bet he NEVER hires union workers for anything too.

Norrrm

(5,960 posts)
31. But Trump is an expert. His cultists say so. Reflecting pool fixed for good.
Tue Jun 16, 2026, 02:15 PM
7 hrs ago

Katie Martin, a spokeswoman for the Interior Department, said in a statement, “What you are seeing is residual algae from the supply lines which have been sitting dormant for eight weeks while construction has been taking place. It’s part of the normal startup process. “We are removing the algae, and the nanobubblers will maintain the pool and keep it algae free. President Donald J. Trump is an expert builder who has fixed the Reflecting Pool for good unlike the failed and extremely costly attempt by Obama and Biden.”

https://www.democraticunderground.com/10143678867

hunter

(40,926 posts)
34. Disneyland may have some experts.
Tue Jun 16, 2026, 02:20 PM
7 hrs ago

Personally, I'd remake the Capital with a more natural aesthetic. The current scheme emphasizes control over nature -- implicitly setting humankind apart from nature.

If poisoning the water turns out to be the only option maybe we ought to rethink the whole thing.


Traildogbob

(13,279 posts)
35. Algae
Tue Jun 16, 2026, 02:21 PM
7 hrs ago

Is not good for the sensitive life in the water habitat, but most of these blooms takes in a mass amount of carbon.
Many Algae, not all, are photosynthetic organisms.
Maybe he is trying to be a carbon sequestration hero. Don’t tell his fossil fuel anti science Jebus freaks. We can not do good for the planet. It would prolong end of times and the trip to the sky for mansions, streets of gold and all those virgins promised.
Eutrophication feeds and creates massive blooms and Shit is a great source or this. And Washington has lots of shit everywhere. A lot of it in suits, with flags on the lapels.

mwmisses4289

(5,030 posts)
43. The rapture happened back in september 2025.
Tue Jun 16, 2026, 02:49 PM
6 hrs ago

Many of the ones who thought they would get raptured got left behind, and are the cause of the tribulations because of their disappointment in being left behind.

Traildogbob

(13,279 posts)
59. Preach!!!!!
Tue Jun 16, 2026, 04:50 PM
4 hrs ago

Lots of disappointed saints. No virgins for them.
I think we should buy all the circus cannons not in use, and offer free transport to true believers.
Hurry and sign up before all the beach front Mansions with double car golden drive ways are gone. Red hats get front of the line.

LudwigPastorius

(15,201 posts)
39. Trump will sue the company that painted it for the amount we paid that they didn't kick back to him.
Tue Jun 16, 2026, 02:28 PM
7 hrs ago

"Many expert people are saying that Atlantic Industrial is fully to blame for this because of the type of coating they used. The DOJ will be taking them to court for fraud."

Wiz Imp

(10,697 posts)
40. They really have nobody with any knowledge or intelligence in this administration.
Tue Jun 16, 2026, 02:37 PM
6 hrs ago
https://www.politico.com/news/2026/06/16/reflecting-pool-green-algae-spreads-00963411
The hydrogen peroxide will have no harmful effect on marine animals or the environment, the department said.

That is absolutely false.
https://www.dovelewis.org/blog/why-you-shouldnt-use-hydrogen-peroxide-your-pet
Hydrogen peroxide is an irritant to the digestive tract. When ingested, it can cause inflammation and irritation in the mouth, esophagus, and stomach. This can lead to discomfort, painful inflammation (esophagitis), and even long-term damage to the esophagus and other parts of the digestive system.

RockRaven

(19,957 posts)
61. I remember when these morons were talking about hydrogen peroxide (self-administered, by mouth or inhaled) for Covid
Tue Jun 16, 2026, 06:31 PM
2 hrs ago

and toxicology people had to waste time telling them "no, no, no!"

Jirel

(2,389 posts)
47. If you want even more fun...
Tue Jun 16, 2026, 03:15 PM
6 hrs ago

It’s going to wreck the new paint and possibly the surface, depending what it’s coated with. If they plastered it, peroxide can definitely make a mess of that. They are not using enough to kill all that algae, not that it’ll help when more just keeps being added from wind, rain runoff, ducks…

They’re just dumping mass amounts around the rim. Each area will become a hot spot of chemicals, affecting the brand new bottom.

Kid Berwyn

(25,375 posts)
50. Like the time Don the Fraud excursioned Iran.
Tue Jun 16, 2026, 03:32 PM
5 hrs ago

Last edited Tue Jun 16, 2026, 05:23 PM - Edit history (1)

No plan and no expertise; just his gut telling Dimdonniechucklenuts that it was the uh right thing to do.

Attilatheblond

(9,428 posts)
55. Is he already looking at swatches for the drapes he will order installed around that pool?
Tue Jun 16, 2026, 03:53 PM
5 hrs ago

It's not like he's busy at that meeting in France where nobody will talk to him.

underpants

(197,641 posts)
57. From what I've read he was still deeply into the design of his hotel at the Post Office
Tue Jun 16, 2026, 03:59 PM
5 hrs ago

and that included looking at swatches.

That’s really all he did before The Apprentice came along.

Wednesdays

(23,372 posts)
62. So, The Felon's minions will keep dumping hydrogen peroxide
Tue Jun 16, 2026, 06:43 PM
2 hrs ago

...and the algae will still grow. All summer.

Good Lord, if you think it looks bad now, just wait a few weeks.

Norrrm

(5,960 posts)
64. Donald had a comparison of the pool under both Obama and himself.
Tue Jun 16, 2026, 09:13 PM
17 min ago

(Doctored of course)
Obama's pool was cruddy looking.
Donald's pool was magnificent.

Obama was not in office again so he cannot be blamed.

How did the pool look during Trump's first six months in office?

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