Imagine diving into the water and finding yourself suspended beneath a night sky.
Silence, depth, light gently shimmering across the pool floor. It’s not just lighting: it’s atmosphere, it’s experience, it’s pure emotion.
COBB Fibre Ottiche, with over thirty years of experience in designing and manufacturing fiber optic lighting systems, develops professional solutions for starry skies on pool bottoms, transforming every pool into a unique and refined scenic environment.
The Magic of Fiber Optics in a Pool
Fiber optic technology is the ideal solution for creating a starry sky effect on the bottom of a swimming pool.
For this type of application, we use 1 mm sheathed PMMA polymer optical fibers.
The sheathing is not a secondary detail:
it protects the fiber from direct contact with concrete and mortars during installation and leveling stages, preserving its integrity and ensuring perfect light transmission over time.
Light travels inside the fiber without any electrical current at the light point. This makes the system extremely safe and perfectly suited for pool environments.
Tailor-Made Design: Every Sky Is Unique
Every pool bottom is different.
For this reason, COBB does not offer standard solutions but designs each starry sky project on a bespoke basis.
Once we receive the technical information — pool surface area, bottom configuration, and technical room location — our team develops:
- Study of light point distribution
- Definition of the ideal density
- Production of fiber optic bundles
- Selection of the most suitable illuminator
The recommended density for an elegant and realistic effect ranges between 5 and 10 optical fibers per square meter.
Upon request, mixed diameters can be integrated to create an even more natural effect, with stars of varying intensity and visual depth.
Professional Illuminators: Power, Control, Atmosphere
The heart of the system is the illuminator, always installed in a dedicated technical room, easily accessible for maintenance and control.
For starry skies on pool bottoms, we offer:
- LRGB LED 40W (RGB 40W + white 10W) for dynamic and customizable lighting scenarios
- 30W monochromatic LED for more essential and refined effects
Versions with a twinkle effect are also available to simulate the natural flicker of stars.
All illuminators feature high-efficiency LED technology and can be controlled via:
- Remote control
- DMX control
- Customized management systems upon specific client request
The result is a sky that can change its atmosphere — from elegant and relaxing to scenic and evocative.
Installation Guidelines
Installing a starry sky on a pool bottom requires precision and coordination with the company building the pool.
In general:
- The bottom must be dry and clean before installation
- Light point distribution is defined according to the project
- Fibers are laid from the technical room to the pool bottom
- A dedicated technical support system is used to keep the fibers perfectly vertical beneath the final surface finish
- The fibers must extend beyond the thickness of the leveling screed
After the installation of the final surface covering (ceramic, marble, granite, or other materials), the fibers are trimmed flush with the surface to achieve the perfect pinpoint light effect.
Each stage is designed to ensure:
- Perfect alignment
- Fiber protection
- Maximum luminous performance
- Long-term durability
Naturally, many operational details are part of our technical know-how developed over thirty years of experience.
Complete Support, From Concept to Completion
Choosing COBB means purchasing not just a product, but a complete system.
Our support includes:
- Initial consultation and design study
- Custom production of fiber bundles
- Supply of the most suitable illuminators
- Technical assistance during installation
- Post-installation support
We are present at every stage, because a starry sky is not just an aesthetic detail: it is an architectural element that must integrate perfectly into the pool design.
When the Pool Becomes an Experience
A starry sky on the bottom of a swimming pool is not simply decorative lighting.
It is a statement.
It is a distinguishing element.
It is an emotion that surprises every evening.
With COBB Fibre Ottiche’s technical expertise and thirty years of experience, every project is transformed into a professional, reliable, and scenographically extraordinary realization.
Because true luxury is not just seeing the light.
It is feeling immersed in the sky.

