Case study: Bringing a copper fountain back to life

Located in the heart of a public space, this copper fountain was once a proud centerpiece of its surroundings. However, despite regular maintenance, several water-quality-related issues began to worsen:

• Persistent limescale buildup, despite the use of water softeners;
• Visible copper oxidation, causing both aesthetic and structural deterioration;
• Algae growth in the basin, making the water cloudy and unattractive.

These issues affected not only the fountain’s appearance, but also its durability and the visitor experience.

Objective: improve water quality and reduce chemical use

The site manager was looking for a solution that would be:

• More sustainable than conventional chemical treatments;
• Capable of restoring the copper’s natural shine;
• Effective against algae without increasing maintenance demands.

This is where ACQUAPROCESS® comes in — an innovative water treatment technology that operates without added chemicals, using ultra-low frequencies.

ACQUAPROCESS® system installation

The ACQUAPROCESS® device was installed directly on the fountain’s filtration loop, alongside the existing system.

• Fast and simple installation, with no structural modifications required. Compatible with water softeners, while designed to gradually replace them.
• Compatible with anti-algae products, while intended to progressively reduce their use.

Results observed after a few weeks

The first improvements were noticed quickly. There was a significant reduction in limescale deposits on the fountain walls, despite the water remaining hard. A visible decrease in copper oxidation was also observed, helping preserve the material’s natural shine. At the same time, algae growth in the basin decreased noticeably, resulting in clearer water and reduced odors.

Future challenges: toward more sustainable water management

Encouraged by these results, the site is now considering reducing — or even eliminating — the use of chemical water softeners, which involve recurring costs and environmental drawbacks.
The objective is clear: transition toward a 100% physical water treatment solution that is more respectful of both materials and the environment.
This case study demonstrates that ACQUAPROCESS® is an effective, sustainable, and eco-friendly solution for water treatment in sensitive installations such as public fountains. It offers an ideal balance between performance, cost savings, and heritage preservation, while simplifying long-term maintenance.