Why Does Only One Nozzle Spray on a Dual-Nozzle Bidet?

You choose a dual-nozzle bidet because it offers two cleaning options. Then, during use, you notice something:

Only one nozzle is spraying.

Should the other one be working too?

For the BIGCOW Ultra-Slim Bidet Attachment, selecting rear or frontal wash activates the corresponding nozzle while the other remains retracted. Seeing one nozzle spray during the selected wash mode is part of how the design works.

The key distinction is simple:

Two nozzles provide two cleaning options—not two sprays that need to run together.

Two Nozzles, Two Different Jobs

“Dual nozzle” describes the available cleaning options. It does not mean you need to use both nozzles at once.

BIGCOW provides rear wash for rear cleansing and frontal wash for frontal cleansing. Each option serves a different cleaning area, allowing you to choose the wash that matches your needs.

Think of them as separate choices rather than two halves of one wash.

You are not missing part of the experience when only the selected nozzle sprays. You are using the option intended for that particular task.

This article focuses on BIGCOW’s separate wash modes; always follow the operating instructions for your specific bidet.

Why Does the Other Nozzle Look Shorter?

The difference is especially noticeable when looking at the nozzle assembly.

During the selected wash, the active nozzle extends into its operating position. The other stays retracted, so its spray holes may remain hidden. This can make one nozzle look longer than the other.

That appearance alone does not mean a part is missing or that the shorter nozzle needs to be pulled out.

The useful question is not whether both nozzles look identical during use.

It is whether each cleaning mode works when selected.

Does One Spraying Nozzle Mean Less Cleaning Power?

It helps to separate two different things: wash selection and pressure adjustment.

The wash mode determines which cleaning option you use. Pressure adjustment lets you change the intensity of that wash.

BIGCOW combines separate frontal and rear wash options with adjustable cold water pressure, so choosing a different cleaning mode and finding a comfortable pressure are distinct parts of the experience.

Rather than trying to make both nozzles spray, start with the mode you need and a gentle setting. Increase the pressure gradually only as needed for comfort.

The goal is a suitable wash—not the greatest number of active sprays.

When Is It Worth Checking Further?

An inactive nozzle is different from a selected nozzle that does not respond.

If rear wash works when selected and frontal wash works when selected, the other nozzle remaining retracted is consistent with the intended operation.

However, if a selected mode repeatedly produces no water, do not assume that is simply how dual nozzles work.

Check the operating instructions to confirm the correct control setting. If the selected mode still does not respond, contact customer support for guidance.

Avoid forcing the controls, pulling on the nozzles, or inserting anything into the spray holes.

Does a Retracted Nozzle Still Need Care?

A nozzle being tucked away does not mean you can forget about routine maintenance.

Include the accessible attachment surfaces in your regular bathroom cleaning, and check the visible nozzle area for residue or mineral buildup. Follow the product’s care instructions rather than improvising a cleaning method.

You do not need to pull out the inactive nozzle just to make both look the same. Keep maintenance separate from checking how the wash modes operate.

For more on what to clean and when to check it, read How Often Should You Clean a Bidet Attachment? A Simple Maintenance Guide.

Understanding the normal nozzle positions makes those routine checks less confusing.

Final Thoughts

A dual-nozzle bidet is about having a choice between cleaning functions.

On BIGCOW’s attachment, the selected nozzle does the washing while the other remains retracted. You do not need both spraying to make use of the dual-nozzle design.

Choose the appropriate wash mode, start with comfortable pressure, and follow the recommended care routine.

The benefit of two nozzles is not using everything at once. It is having the right option when you need it.