Position an empty bucket. You’ll need to use gravity to siphon water from one spot into a bucket.[1] X
Expert Source
Craig Morton Aquarium Specialist, Aquarium Doctor Inc.
Expert Interview. 21 July 2020.
The object that the water is coming from must be higher than its final destination. So, if you are siphoning water from a full bucket to an empty bucket, place the destination bucket on a stable, lower surface.[2] X Research source
Position a siphon tube. Stick the end of your siphon tube into the empty destination bucket.[3] X
Expert Source
Craig Morton Aquarium Specialist, Aquarium Doctor Inc.
Expert Interview. 21 July 2020.
It should almost reach the bottom of the bucket to prevent it from coming back out. Then, place the other end of the siphon into the full bucket.
You may want to use a weight to keep the end of the hose in the water.
You can use almost any type of hose or tube for siphoning. However, it really helps if the hose is clear so that you can see the progress of the water.
Suck lightly on the end of the tube. Pick up the end of the siphon tube from the lower destination bucket or container. Lift it just above the container of water, which will help you avoid getting water in your mouth. Then, place your lips around the tube’s end and suck like a straw. Pull the water just over the rim of the container of water. Once the water reaches the arc of the tube, it will start to come down the tube. Move your mouth and insert the tube into the bucket.[4] X Research source
If your hose isn’t long enough for you to weigh it down in the water and hold it up over the container, then you likely need a bigger hose.
Be careful to watch the location of the water in the tube or you might end up swallowing some as it comes out of the end. This is a reason why it is not a good idea to siphon other liquids, like gasoline, with your mouth.
Let the water pour into the empty bucket. Take the end of the halfway full siphon tube away from your mouth and quickly place it into the lower container. The water will start to run into the bucket through the siphon. It will continue until the upper container is emptied or you pull the siphon end out of either container.
Immerse the tube in a container of water. Coil the siphon tube into a circle and place it into a container full of water. Gently push the tube down until it is completely covered, working from 1 end to the other. You will see air bubbles pop up to the surface of the water, as the air escapes from the inside of the tube. Go slowly to allow the air bubbles to escape as you submerge the tube. Once the bubbles stop, the tube is full of water and ready to be drained.[5] X Research source
To make sure that the bubbles are completely out of the tube, shake it a bit before pulling it out.
Place your finger over the end of the tube. Now that the tube is full of water, you’ll need to stop up the end that you plan to pull out of the container. Fold or crimp the tube in on itself toward the end, creating a barrier. Then, place your finger or thumb over the end, blocking off the flow of water out of the tube.[6] X Research source
The tube must stay totally under the water during this process or you’ll end up with bubbles in it.
Move the plugged end of the tube to the empty container. Slowly and carefully lift the blocked tube end out of the water. Keep your finger covering the end of the tube. And, make sure the other, unblocked end stays securely under the water. Place the blocked end into the lower, empty container.[7] X Research source
Unplug the tube. Pull your finger away from the end of the tube. Hold the tube down slightly with your fingers to keep it from flailing around as the water starts to come out. Watch the water move from the higher container and into this new one. If the water flow seems to stall, give the tube a small, quick shake to start it up again.[8] X Research source
Position the first garden hose. Put the end of your hose in the bottom of a higher container that the water will move out from. If you choose to anchor the hose down with an object to keep it from moving, just make sure that it doesn’t block the water flow. Then, place the opposite end of the same hose into a container that is the destination for the siphoned water.
This is a great method to use if you need to siphon water over a longer distance or if you need to move a large amount of water.
Attach the shut-off valve. Screw on the valve to the end of the hose that is at the bottom of the higher container. Make sure that the valve is set on the open position. You can purchase a shut-off valve at your local garden store.
Attach a second hose. Get the unused hose and screw one of its ends into the empty side of the shut-off valve. Then, attach the other end of the second hose into a nearby faucet. Double-check that all of your connections are secure and tight.
Fill the siphon hose. Turn your faucet until it starts to send water out through both hoses. Watch to see when the first hose is full. Then, turn the shut off valve into the off position. You can then disconnect the second hose from both the faucet and the valve. This will leave you with one hose that is full of water and connected to both containers.
Open the shut-off valve. As soon as you move the valve into the open position, the water will rush out of the hose and into its final container. You can hold the end of the hold somewhat upright to guide the flow of water if you like.
Video
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Things You’ll Need
Container of water
Plastic tube
2 garden hoses
Shut-off valve
Bucket
Object to anchor the garden hose
Tips
If you are siphoning as part of an experiment, add a few drops of food coloring to the higher water container. You’ll then be able to see that water travel down the tube and into the empty bucket.[9] X Research source
Add a shutoff valve inline at the crest of the tubing and a check valve at the outlet end and you can completely control the siphon hose and it will stay primed when you shut it off.
The size of your hose will determine how long it takes to siphon the water. Larger pipes will work faster than smaller pipes. Additionally, smaller pipes can easily become clogged by sediment or detritus.
Make sure that the hoses that you are using do not have any holes. If they leak water, then the siphon process may be slowed down or it may not work at all.
