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Thread: Pipes Clogged?
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09-07-2020, 09:42 PM #1
Pipes Clogged?
I’ve been trying to find out what is causing the restriction to flow through the bottom drain and skimmer line. The skimmer is only a metre and half of 3” pipe, yet I’m getting a significant drop in head. The same with the bottom drain 4” into the nexus. So I sent my underwater camera on a little journey, first to check the dome
C3EB4FB5-F2C1-4C7B-8B3A-895FCE7C0156.jpeg
No problem there.
Then down the pipe
https://www.youtube.com/watch?v=0I4JDWtRh14
The sides of the pipe are covered in dead fly and larvae. Swaying in the current, it’s like a little forest. The skimmer is even worse, the 3” tube is packed with it.
7A148FA0-4288-4D0E-8C50-CD18015A0C30.jpg
The camera came out like this,
B49CFABE-9BB4-4A4C-AC7B-D34973878560.jpg
They seem to be stuck to the pipe with nature’s superglue, and the sheer quantity is causing a noticeable drag on the water flow. Now I know what the koi are eating when they graze a on the walls.
How am I going to clean out these pipes? I’ve dropped a couple of mosquito dunks into the filter to try and and deal with any future ones, but I can’t find a big enough pipe brush to clean them out. I thought about a drain cleaning nozzle for the pressure washer, but I don’t know how effective the jets would be under water in a 4” pipe.
Any suggestions?
Mark
19,000 litres
Nexus 320 with Dracodrum and submersible UV
Blue Eco 320
Eazy Pod on skimmer
Dura+ 10kW Heat Pump
15 koi
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Scamp Thanked / Liked this Post
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10-07-2020, 09:43 AM #2
Hi
I brought one of these works a treat
https://www.ebay.co.uk/itm/Flexible-...MAAOSwxORdlvqB
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Simon Fish, Scamp Thanked / Liked this Post
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10-07-2020, 09:56 AM #3
They're lavae and make up the bio film that appears inside pipes or anywhere where there is a good flow (I get them on the waterfall sometimes).
Rodding is good as long as it gets through around the bends without snapping. Swept bends or 45 degrees work best.
You almost want a UV bulb on the end of an extendable rod to give it all a dose at the same time.14000l, my mutts: Chargoi (2010), Doitsu (2022), Tancho (2022), Kujaku (2022), Hi Utusri (2022)
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freddyboy Thanked / Liked this Post
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10-07-2020, 02:14 PM #419,000 litres
Nexus 320 with Dracodrum and submersible UV
Blue Eco 320
Eazy Pod on skimmer
Dura+ 10kW Heat Pump
15 koi
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freddyboy Thanked / Liked this Post
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