DIY Air Lift Koi Pond Vacuum (Part 3/3)

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Koi Pond Update 3.22.2013
Koi Pond Update 3.22.2013

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Eunice Dillon: Could you tell me more about what type of collection vacuum bag you are using and where you bought it?  Loved you 3 video.  Me and my husband are building one.

Jorge Martinez (Gato): Hey men nice project, it works really well, I'll build my own soon.
Just an observation the compressor you are using seems to be an oil lubricated piston compressor, its quite powerful but the air u are getting is really dirty and humid, so your discharge water is contaminated with small particles of oil and rust. In the long run can damage your fish and plants.
Better option a 20w magnetic air pump or an small oil free compressor, that way you get clean air.

Ted Kantner: I really like this concept and plan to put one together for my Spring cleaning.  One question:  I'm curious as to your choice of 2" tubing.  I would think that 1 1/2" schedule 40 would be a bit less cumbersome and easier to move around within the pond.  My pond is only about 6'x6'x3'deep and the liner is exposed (no pebbles or rocks for bottom) so vacuuming would seem to be pretty quick and easy once I move some of the plant containers away.  Although maybe putting in an air jet system at the business end might be a little more of a challenge with 1 1/2' pipe.  Maybe putting a reducer on the top end of your Y to put an 1 1/2" tube for a handle, making it a little easier to hold.  Your instructions and updates are great.  I will be able to put together a parts list pretty easily.  Thanks for posting.

PalJoey1957: OK, it works, but it's a Rube Goldberg contraption.  Very clumsy.  Instead, use a shop vac and put your efforts toward making a brush tipped nozzle and pipe with valve to control water rate to work with the vac.  Clear the floor of the pool so that's it's just the vinyl liner.  Put the plants in pots and the pots up on bricks.  You'll be able to work fast and effectively.  Next, review the size of your filter's media container.  The larger the better to break down nutrients.  If possible, incorporate removable sections in the media canister like screens and floss (disposable, cheap).  This will allow you to manually remove a sizable portion of the bio load and protect the permanent bio media inside the canister.  Lastly, get yourself some Water Hyacinth - the flowering, floating plant with the long black roots.  They multiply like crazy, absorbing dissolved nutrients that would normally go to the algae, but they are easily thinned out and removed when there gets to be too many.

Carlos Bermudez: Awesome, it's exactly what i searched !
My pond is 4 feet deep at his maximum. Does it will work at this length ?


Tonys Allotment: great pump Wayne. fantastic idea, works similar to the venturi effect?


Jamie Groom: Thanks for the video Wayne! I made your vacuum today and couldn't believe how awesome it was!  I had to climb into the pond (waist deep) to retrieve some parts that came off because I hadn't glued them before the test run (oops), and I know there was a LOT of sludge on the bottom (squishing under my feet).  Pretty gross. Hoping the removal of the sludge will improve the water clarity!  I'm going to swap out the downspout extension tubing for 2" pond tubing when I have a chance to get to the pond store.  It will be easier to work with and can be cemented to my 2" T.  I can't say enough about how well this works.  It even pulled the clay silt from the bottom (from the plants that my koi unearth from the pots)!  WOW!

Dennis Chant: Can you email me a list of items needed. My pond is 3' deep so I guess my bottom tube will need to be about 4' long. My email is

planouser: I actually have a very good filtration between the skimmer and the waterfall filter, but I have to clean mud off filter media daily:) I might end up adding some kind of settling filter tank. will take few pix of my pond and send it to you soon.

Wayne Meador: Yes I agree with that! BUT....I think it's difficult to clear the water period. Especially if your filter is not good enough. My next project will be the filter and after I get the filter conditioned, I'll do a 100% water change...that should really make a difference for sure! I'd love to see some pics or video of yous, PM me and I'll give you my email. Cheers, Wayne

planouser: Glad to hear that your plants are doing good in gravel, just watched the video and your water lilies are looking fantastic!! It's my first year on the pond wagon and wish I watched your video before planting in soil. It's a very difficult to clear the water after placing the soil in.

Wayne Meador: That's great man, I'm glad to hear that! Check out the video that I uploaded today...all of my plants are in either a rock or gravel medium. I'd love to try out some heavy clay soil and compare them!

planouser: They told me in order for the plant (specially water lilies) to thrive they will need heavy clay soil and fertilizer. Gravel and soil will not hold the fertilizer and cause green water. So far the plants are doing great.

Wayne Meador: That's interesting, what did they say would happen if you used gravel instead of dirt? I'm curious, I don't have any issues that I know of.... :)

planouser: I was actually thinking about the same thing but the people I bought plant from strongly suggested to plant them in soil over gravel or sand.

Wayne Meador: Very good idea and thank you for pitching in and answering a good question. I like your idea, very cool. I agree with you, Koi Keeping rocks! :) Thanks for watching, Wayne.

Wayne Meador: I gotta say, I don't have that issue because I just use a gravel media and make sure that I rinse out all of dirt off of the roots before I plant them.

I have all the answers you need: I use pond underlay to line my pots. Water passes through but soil does and it doesn't rot. I had the idea when deciding what to do with the excess material left over from building my new koi pond which is almost done if you want to view my video. Koi keeping is just the best hobby.

Daniel Padova: I'm hoping to be able to lift some of the light sediment off the bottom. As the fish get larger they stir it up at almost every move they make. Additionally, it doesn't look very nice.
DIY Air Lift Koi Pond Vacuum (Part 3/3) 5 out of 5

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