How to draw water with a hose: methods with and without a pump

Using a hose to draw water is a simple and inexpensive way to empty swimming pools, tanks, drums, or transfer water from one place to another. Depending on the situation, you can do it without a pump (using gravity) or with a pump (when you need more power or there's no difference in elevation).

In this guide you will see all the methods , when it is appropriate to use each one and what type of hose is most suitable for each case.

Index

1. Methods for drawing water with a hose
2. 1) Draw water with a hose without a pump (siphon effect)
3. 2) Draw water with a hose and pump
4. Quick comparison: with pump vs without pump
5. Which hose to use depending on the method
6. Common mistakes
7. Which method is best for you?
8. Frequently Asked Questions
9. Conclusion

Methods for drawing water with a hose

There are two main ways to do it:

• Without a pump → using the siphon effect
• With pump → electric or gasoline

1) Draw water with a hose without a pump (siphon effect)

This method works thanks to gravity. If you manage to fill the hose with water and the outlet end is lower than the inlet, the water can flow on its own.

When to use it

• The starting point is lower than the starting point.
• You want to empty a swimming pool, pond, or tank.
• You don't need to raise the water.
• The water isn't too dirty.

What do you need

• A hose in good condition (without leaks).
• Difference in level between entrance and exit.
• Make sure the hose is completely full of water (without air).

Advantages

• It does not need electricity or fuel.
• It's quiet.
• Very economical.
• Almost maintenance-free.

Disadvantages

• It doesn't work if there's no difference in level.
• Limited flow.
• If air gets in, the siphon stops and needs to be restarted.

Tip: If you want a step-by-step guide to the siphon, link it here to your article “How to get water with a hose without a pump”.

2) Draw water using a hose with a pump

When a siphon isn't sufficient or there's no difference in elevation, a pump is the solution. It's the right option if you need to raise water or if you're looking for greater speed and flow.

When to use a pump

• You need to raise the water level .
• There is not enough difference in level.
• You want to empty it faster.
• The water has dirt, sand, or debris in it.
• Frequent or professional use.

Common pump types

• Submersible electric pump : ideal for swimming pools, tanks and shallow wells.
• Motor pump (gasoline/diesel) : more power, ideal for intensive use and areas without electricity.

What do you need

• Pump suitable for the flow rate you need.
• Compatible hose (depending on suction/discharge).
• Connectors and clamps securely fastened to prevent leaks.

Advantages

• Higher flow rate and speed.
• It works without any difference in level.
• More consistent in long jobs.

Disadvantages

• Initial cost.
• Electricity or fuel consumption.
• It requires maintenance.

Quick comparison: with pump vs without pump

Which hose to use depending on the method

For siphon (without pump)

• Flat hose : lightweight, easy to store and with good flow once the siphon is started.
• Traditional flexible hose : suitable if it is not kinked and has no leaks.

For pump

• Suction hose : more rigid, ideal if the pump "sucks" water from one point.
• Reinforced flat hose (pressure): good for carrying water to the outlet point with flow.
• Connectors and clamps : recommended to prevent leaks and loss of pressure.

Common mistakes when drawing water with a hose

• To think that the siphon works without a difference in level.
• Using hoses that are too thin for the flow rate you want.
• Do not remove the air before starting (failed siphon).
• Not securing the connections properly when using a pump.
• Vacuuming water with sand/leaves without a filter (blockages).

Which method is best for you?

• Small pool / domestic tank → without pump
• Large pool / frequently used → with pump
• Well or negative elevation difference → with pump
• Point-to-point transfer → siphon
• Water with debris → suitable pump + hose

Frequently Asked Questions

Can I use the same hose with and without a pump?

In some cases yes, but if you are going to work with strong suction or with water containing debris, it is better to use a specific hose (for example, a suction hose) and firm connections.

Which diameter is better?

A larger diameter means a higher flow rate (it empties faster), but also more weight and volume. The ideal choice depends on the intended use and the required flow rate.

Can I drain a pool without a pump?

Yes, provided the outlet is lower than the water level and you can start the siphon without air.

Conclusion

Drawing water with a hose is perfectly feasible with or without a pump . For simple tasks, a siphon may suffice; for demanding jobs or on level ground, a pump is the best option.

Final tip: choosing the right hose and ensuring the connections are secure makes all the difference in flow rate, safety, and comfort.