Ewo Pulse Lagoon by Sorgiva Ewo Pulse Lagoon by Sorgiva
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Clear water over a quartz sand floor
Patented Sorgiva® technology

Water that rises from the floor.

Pulse Lagoon lagoons have no inlet jets: filtered water rises evenly across the whole surface of the pool, like a natural spring.

Illustrative rendering
How it works

A patent born from water

In traditional pools, water enters through visible inlet jets in the walls. With the patented Sorgiva system, filtered water is fed in beneath the coating and rises across the whole floor. Hence the name: Sorgiva, Italian for "spring water".

  • Filtered water enters beneath the finish, through pipes hidden in the structure.
  • It fills the gaps between the quartz in the lower layer and keeps it sanitised, helping to prevent algae.
  • It passes through the quartz finish and rises evenly throughout the pool.
Technical cross-section of a pool with the patented Sorgiva system
Water drawn off by skimmer or overflow edgeWater rising from the floorQuartz sand or stone finish bound with resinsQuartz layer with fibreglass meshPipes for feeding in recirculated waterWaterproofing against the ground
Diagram of the Sorgiva® patent. Source: Natural Pools & G.
The comparison

Traditional pool vs Pulse Lagoon

Diagram of the traditional system with an inlet jetTraditional system

Inlet jets and dead spots

  • Visible inlet jets
  • Recirculation concentrated in a few points
  • Water stagnating in the lining
  • Algae and bacteria build-up
  • Demanding cleaning
Diagram of the Sorgiva system with water rising from the floorPulse Lagoon · Sorgiva®

Water rising everywhere

  • No visible inlet jets
  • Even recirculation across the whole surface
  • Uniform disinfection of the pool
  • A natural look across the whole basin
  • Quick and easy cleaning
Detail of the quartz layers, fibreglass mesh and piping
How it's built

Six layers, one system

  1. Micro-perforated polypropylene sheet, as a sliding layer and to protect the water inlet pipes.
  2. Recirculation system built into the structure.
  3. EPDM liner for waterproofing.
  4. Base of medium-sized natural stone or quartz, bound with epoxy resins.
  5. Fibreglass mesh supporting the surface finish.
  6. Quartz sand and marble finish, in the colour you choose.
From design to build

Every lagoon is made to measure

Beaches, areas of different depths, air therapy and waterfalls: every project is designed around the available space.

Plan of a Sorgiva pool in VeniceCross-section of the pool in Venice
Plan and cross-section of a 37 m² pool in Venice: beach with air therapy and a maximum depth of 1.40 m.
Project plan with beach, air therapy and waterfallTypical cross-section showing the beach slope
Project with beach, reclining and seated air therapy, a waterfall over natural stones and an outdoor shower.

Technical drawings: Natural Pools & G, technical annex according to the Sorgiva® patent.

Designed with safety in mind

No inlet jets, with anti-entrapment floor outlets

In Pulse Lagoon, water rises from the floor with no inlet jets. The floor outlets are anti-entrapment, with no visible grilles, and the system is installed to code, with a certificate of conformity for the plant room. Find out what the new law on public-use pools requires.

Law 142/2026: what changes

Want to see how it would look in your garden?

A specialist technician comes to you for the site visit and the bespoke design.

Request a site visit