Salt-pool to natural pool conversion with int. filtration area (10%)

1st Stage: Emptying & Inspecting marbelite shell

An initial site visit helps to evaluate the condition of the given structures and thereby helps to determine which components and structures may potentially be re-used when converting the conventional pool into a natural pool.
This stage is crucial as it helps us to get a feeling for the design and solution you would like to implement and we obtain the foundation for our initial quote.

It is essential to check the exisiting marbelite structure (in the case of a retro-fitting) in order to omit any possible delays in the fiberlining process. We generally do not recommend to keep an existing marbelite structure as this surface is generally too coarse and therefore attracts algae more than a smooth fiberglass lining. In order to make best use of the heat generated by the water streaming through the filtration zone we do recommend a fiberglass lining as it generally stores heat better than a marbelite shell.

2nd Stage: Building filtration area & skimmer bay

The essential element of a natural pool is the fitration area. Integrating the filtration area might not always be the easiest process, however it does allow you to experience the perfect harmony of natural cleaning to act visually in your pool.
There are various ways of integrating the filration area, one is the seemless integration. Alternatively an interrupted "stone pathway" visually seperates the swimming area from the filtration bed.

In order to gurantee the most effective surface skimming we rely on our own patented "donut skimmer", that provides the best results in natural pools as well as ponds. Providing a larger surface area around the skimmer enables it to more effectively collect leafs and other debris on the water surface and efficently use it's suction performance without wasting energy.

3rd Stage: Plastering of new walls & coping

In preparation for the fiberlining process it is essential to create a smooth surface on which the fiberglass matt can bound with the resin. Such smooth surface is created by simply plastering the walls.
Depending on the desired pool finish a plastering might not always be necessary (i.e. if you desire to opt for tiles or laying out marble).


An individual coping should be ideally designed by your landscape designer and be in line with the natural pool principle to drain any external water away from your pool and insure the biological balance of your natural pool or pond water is not negatively influenced.

4th Stage: Religning of pool with fibreglass

A first step when applying the fibreglass lining is to acid wash the marbelite / plastered shell of the pool.
After the acid-wash the fiberglass matt is applied directly to the walls through resin. It is adviseable to apply 2 layers of at least 300g/sqm to insure long-term stability. Once this initial phase is completed the surface will be smoothend in order to check for areas that would potentially need an additional layer of fiberglass matt.

Once the surface is sufficently smooth the selected color pigment is mixed together with resin in order to give the final sealant coat on your pool. The sealant coat needs to thoroughly dry out for 24h before the natural pool may be filled with the pre-approved water. Once the water level is correct the filter may be started.