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Should We Offer To Help?
- Thread starter JayP
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I cringe whenever I see artificial, stagnant and empty bodies of water like this. Water lilies all around and a thousand algae eaters. Or keep it very shallow with water jets everywhere for children to play.
MrJG
Active Member
Couple liters of purigen and it’ll be fine. 
Personally I think the whole idea of a reflecting pool here was a mistake our ancestors from the 1920s foisted on us…
6 million gallons of water 3 feet deep in the middle 18 inches at the sides, full sun, no shade…
6 million gallons of water 3 feet deep in the middle 18 inches at the sides, full sun, no shade…
How about aquasoil along the entire length and a few million high light stem plants throughout?
CincyScaper
Well-known Member
- Thread starter
- #8
JayP
Valuable Member
To be fair, the same thing happened the last time they renovated the pool.
“Brooks Barrett, who studies marine plant life at the Smithsonian Institution, said there’s “no quick fix” to the algae bloom in the pool.
“The reflecting pool is perfect for algae. If you were trying to biofarm algae, this would be the way to go. It’s warm, it’s stagnant, it’s perfect,” he said.”
6 million gallons of shallow water exposed to full sunlight….
What sort of pumps and flow would you need to keep it from getting stagnant?
“Trying to keep the algae at bay is a huge battle. So, they clean it each year and keep trying to keep it clean,” she said. “If this problem could have been easily solved or cheaply solved, somebody would have freaking done it.””
Video of yearly algae scrub to bottom of pool…
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be honest , who else thot ...yay Daphnia !
Paging @*Ci*
algae being the Eternal Problem for koi ponds.. Absent the possibility of re-sloping the entire pool for a bottom drain
what technology(s) would you throw at it? 
The reflecting pool does appear to have a continuous center strip bottom drain…
Iirc I read where the pool loses 5 million gallons a year to leakage and evaporation.. but that a large portion of the leakage isnt from the pool itself so much as from the plumbing and collapsing pipes.
The decision was made however to resurface the pool wall and floor itself rather than addressing the plumbing.
I know it took several days to refill the pool, Presumably emptying it also takes several days…. So doing significant water changes would be problematic…
I would hazard a guess that turnover filtration is far from robust as well.
*Ci*
Tending water worlds since 1975!
Balance trumps technology in a koi pond, every time (pun not intended, lol).Paging @*Ci*
Absent the possibility of re-sloping the entire pool for a bottom drain
Bio-filtration vs. stocking levels, water changes vs. nitrate levels, shade vs. the needs of the animals for some natural light. Algae will grow on the walls and the koi keep it mowed down neatly.
I don’t see that happening with the reflecting pool any time soon.
A 6 million gallon koi pond, though … how grand would that be!
If no livestock, they can just copper up the the water no? its not the first time in history humans have fountains.
To go with the Cherry blossoms!
Clearly we need to apply to the Japanese Embassy for help
Currently they do conduct regular water changes pulling from and draining in to the Potomac..
Copper could be problematic with that…
