adding flocculant...

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tommi.ylijoki

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Jul 3, 2022
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Fort Lauderdale, Florida
I’m going through a house renovation and tons of silica/fine dust from concrete and tile removal has settled on the bottom of the pool. My pool equipment is being moved and I have a temporary cartridge filter with 1 intake and 1 outlet- no skimmer or bottom intake, just a pvc pipe for the return and intake going to the filter. I’ve kept it algae free but I can’t seem to remove the dust, and pool companies are of no help.

Can I use flocculant to clump the dust together, and then use a fine mesh net to hand remove the dust?

Thanks!
 
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tommi.ylijoki said:
I have a temporary cartridge filter with 1 intake and 1 outlet- no skimmer or bottom intake, just a pvc pipe for the return and intake going to the filter.
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Got a pic ?

Can you rerout the return somewhere in the yard where it can drain ? Then you could MacGuyver a traditional manual vac to the suction side and vac it all to waste.
 
Is there urgency to removing the debris before the equipment is finished being hooked up? I'd personally just wait until the equipment is fully hooked up and functional to worry about this debris because if your chemicals are good there wouldn't be any reason you couldn't get in for a swim with a bit of grit at the bottom (we did) and hold off on the vacuuming until presumably very soon they finish hooking up the equipment.

We just had a patio built around the pool last month as well as a bunch of dirt moving and stuff and while it took a few days our vacuum robot was able to get all the dust and debris out. Shouldn't be much different with a manual vacuum once you can get one up and running. (No flocc or anything special was needed- just running the robot double duty every day until he got it all) Putting socks on the skimmer baskets helped get some of the fine dust that floats on top before it reached the cartridge filter too.
 
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tommi.ylijoki said:
Here are two pics. This is the pool companies equipment so don’t really want to mess with it.
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Totally not working for a vacuum without messing with it.
tommi.ylijoki said:
Could I use flocculant to clump up the dust, and then use a net to scoop it out?
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My gut says no because too much will teabag out while you drag it through the water on the way up. But I've never used it, so hang tight in case I'm wrong.
 
DaveTheAccountant said:
I’m not sure I’ve ever seen a contractor that took a step to cover an issue that didn’t have an effect on them.
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Recently completed some work around our pool. I had the mason cover the pool and I don't think I got 10 teaspoons of sand out of it afterwards. You're right - I pushed them to do it, but man was it worth it.
 

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