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Water Pump Designs

Water Pump Designs

I have been pumping for about 3 weeks now, and air and condom pumping is easy and great with my homemade aquarium tube, but I have always wanted to water pump and have never been able to successfully do it.

My biggest issue was how to get the water in the tube while it was sealed so it wouldn’t leak out all over the place.

So I made some modifications to my setup that has allowed me to water pump somewhat easily, however it still leaves quite a bit to be desired and I have plans on how to fix it, but I wanted some advice and/or suggestions on how you guys currently water pump so easily. My current design and the changes I want to make are in the attached picture.

Currently I use it like this, I air pump normally sucking out of the tube and then sealing it with the valve, then I pour water in the funnel while the valve just below the funnel is SEALED, then I crack the valve below the funnel and let the water drain down, this still keeps most of the suction but it does lose a little so I just sit there with the other tube in my mouth increasing suction as needed to ensure the seal at the base of penis is not lost.

I can do all of this in my bedroom with little to no spillage, all I need is a big cup of water.

To drain it I lock the valves, stand up, point my penis down towards the floor and release the seal, all the water stays in the hoses and tube.

Am I making this harder than it needs to be? Please help!

Attached Images
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2010.02: 7-1/8" Bpel | 5-1/8" Mseg | 5-1/2" Beg

2010.06: 7-1/8" Bpel | 5-1/8" Mseg | 5-3/4" Beg

Looks like a plumbing nightmare to me, but since it’s a homemade set up, it’s hard for me to make suggestions on how to improve it. Perhaps if you showed us a picture of what your cylinder and pump look like for normal air pumping it would make it easier to suggest a simple solution.

A professional cylinder comes with a self sealing quick disconnect female fitting screwed into the top. All you have to do to water pump is fill the cylinder about 1/2 full of water, insert your cock while the cylinder is pointed downwards, and hold the cylinder tight against your groin while you sit down and begin to pump.


The primary goal of PE should be to make your penis as healthy as possible in both form and function. If you do that, increased size will follow.

You seem like you`re smarter than me, so I`ll have to ask you the following stupid question:

What`s wrong with just using a tube and a hose?:)

gprent, yes its all homemade, the one thing I am lacking is a quick disconnect, but I imagine I could add one, thats not an issue for me. I don’t have a pump, only a cylinder, a tube and a valve, I use my mouth for suction, so this setup works fine for air pumping as well. I have tried what you recommend but have never successfully been able to do it, I will try a few more times… its probably a matter of experimentation to know the perfect amount of water to use so that there is enough room for your penis and also enough water to cover all of your penis once the seal is made.

Renholder, I have never been able to successfully water pump with a tube and a hose, this is why I think I’m missing something simple in the technique in how you don’t drip any water when trying to get the seal.

My issue comes down to the fact that I seem to need to get a seal with an air vacuum first so that the water won’t come out. I think in the past when trying with just a tube and a hose I have used too much water, and so I get spillage, which is unacceptable in my bedroom.

Do you guys start out water pumping in the bathtub, then when you get a seal and vacuum, go to your bedroom or something? Or do you just go to the bathroom, fill the tube halfway with water, walk back to your computer, and then start to pump, with no spillage?


2010.02: 7-1/8" Bpel | 5-1/8" Mseg | 5-1/2" Beg

2010.06: 7-1/8" Bpel | 5-1/8" Mseg | 5-3/4" Beg

NOthing wrong with using a tube and hose.

I started pumping using a cleaned up ‘sealiang gunge containing’ cylinder and a piece of tube . But had to buy a ‘proper’ pump as I became too large for the cylinder.

It’s just that a set-up made for the job is more convenient.. (and cleanaing the cylinder is a pain)


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Personally, I fill almost all the tube with water, step into the shower, spill a lot of water, get a good seal and then go into my room. Additional water that I suck out during the set is disposed in a cup.

However, with practice, you should learn pretty much how much space your cock takes so that you don`t fill the tube more than slightly excess with water, effectively reducing the spillage.

Just keep a couple of towels or a bucket in your room. Should not be a problem?

Originally Posted by Renholder
Personally, I fill almost all the tube with water, step into the shower, spill a lot of water, get a good seal and then go into my room. Additional water that I suck out during the set is disposed in a cup.


This is what I do and once the seal is made with very little effort you are good to go, anywhere you want. Once I release the tube from the cylinder, your hands are free to do other things.

Steriomike, I looked at your device and it appears quite cumbersome and not very portable. If you could modify it so you can close a valve and disconnect the tubing just above the cylinder I think you will find it will become a more versatile device and you will make better use of your time while in the tube. If you are willing to use a shower or tub, you should be able to eliminate the funnel and water tube.

gprent, are you able to water pump without spilling anything? ie: can you go to the bathroom, fill your tube with some water, go back to your bedroom, and then begin pumping without spilling any water?


2010.02: 7-1/8" Bpel | 5-1/8" Mseg | 5-1/2" Beg

2010.06: 7-1/8" Bpel | 5-1/8" Mseg | 5-3/4" Beg

Originally Posted by stereomike
gprent, are you able to water pump without spilling anything? ie: can you go to the bathroom, fill your tube with some water, go back to your bedroom, and then begin pumping without spilling any water?

Yes, once you know how much water to put into the tube, you are set. But since you don’t have a quick disconnect shut off valve in the top of the cylinder, it’s not so easy for you.


The primary goal of PE should be to make your penis as healthy as possible in both form and function. If you do that, increased size will follow.

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