1/ Kettle test (October 2023): Water heated to 60°C & 90°C in identical containers and visual observation of the difference in crystalline structure of the limestone which floats on the surface of the water.
- Limescale in non-dynamized tap water aggregates into limestone clusters (which clump together) suspended on the water, distributed sparsely over the surface of the water.
- Limescale in dynamized tap water appears in the form of a fine sprayed film suspended on the water, distributed over the entire surface of the water.
2/ Pan test (October 2023): Water heated at 60°C & 90°C in identical pans and visual observation of the difference in crystal structure:
- Limescale in non-dynamized tap water is suspended sparsely on the surface of the water where it aggregates (transparent water); after evaporation, it settles at the bottom of the pan on a more concentrated surface, being stickier and encrusting.
- The limescale in dynamized tap water which is in suspension is distributed over the entire surface of the water and also dissolved in the water (more opaque water), it has a finer and pulverized structure; after evaporation, it settles at the bottom of the pan, spreading over a larger surface and having a silkier texture (like a fine white powder), less encrusting, which makes it easier to remove.
3/ Buildwise test (March 2024)
Observation of the difference in the quantity of limescale in a boiler/water heater (open circuit: 10 liters taken every 30 minutes) set at 75°C for 30 days (01/11/2024 to 03/08/2024) in tap water (30°F), dynamized >< non-dynamized ; Evacode CC procedure CCN/PN/NBN-917. (see full Buildwise report hereunder)
Observation :
In the boiler containing dynamized water there is 12% less quantity of limescale deposits (bottom of the boiler and electrical resistances) because this limescale has been pulverized and has therefore been more easily evacuated:
- The mass of scale remaining around the resistances and at the bottom of the boiler decreases
- The Biodynamizer has an effective capacity to reduce the formation of limescale deposits
4/ Buildwise test (March 2024)
Observation of the difference in mineralogical structure of the scale (morphology and arrangement) formed and remaining in 2 boilers, one of which contains dynamized water and the other non-dynamized water; Scanning electron microscope (SEM) analysis with EDS (“Energy Dispersive X-ray Spectroscopy”); internal procedures SP/MIC/6.05 based on NBN EN 12326-2 (2010) and SP/MIC/6.07 (see full Buildwise report hereunder)
Observation :
“the crystals observed on the scale coming from the installation treated with the Biodynamizer seem locally a little more fragmented and show a slightly more chaotic arrangement” (the limescale in non-dynamized water appears indeed more in the form of platelets in packets than that of the limestone in dynamized water which appears more in the form of a “cauliflower“)
Limescale in non-dynamized water
Limescale in non-dynamized water
Please note:
The Biofilter removes pollutants but does not remove minerals—such as calcium and magnesium—that form limescale.
The Biodynamizer breaks down limescale, making it less prone to adhering to surfaces and thus harmless, as it is easy to clean away; however, it does not remove the limescale itself the way a water softener does. Consequently, the limescale remains present and visible in the water, albeit in the form of fragmented white powder. The Biolimescaler enhances this breakdown process—further fragmenting the limescale—and can therefore be viewed as an amplifier of the ecological limescale treatment provided by the Biodynamizer. It acts as a booster for the Biodynamizer when water is extremely hard (approx. 40°f) or if you are particularly sensitive to limescale issues. However, it does not remove the limescale.
Water treated by the Biofiltre and Biodynamizer is unsoftened water—specifically, filtered water, which does not retain limescale, and dynamized water, which does not remove limescale.
This implies the following:
- For pool professionals: You must verify the compatibility of the swimming pool or jacuzzi filtration system with unsoftened water (water containing limescale).
- For professional kitchens (restaurants, hotels, spas, etc.)—where appliances such as dishwashers operate frequently and heat to high temperatures, thereby accelerating limescale buildup—consider installing a water softener upstream of these units to adjust water hardness to the levels specified by the manufacturers and suppliers of this professional equipment.
- For private households: If your appliances or installations are sensitive to limescale and require softened water (water from which limescale has been removed)—such as taps that rapidly heat or carbonate water, certain steam ovens, hammams, etc.—you should check with the manufacturer or supplier regarding the compatibility of unsoftened water with these devices. In such cases, it may be necessary to combine our units with a water softener. Please note that any reduction in limescale results in the addition of sodium (a component of salt that is tasteless) to your drinking water via the softener. This sodium is not removed by the Biofilter (it passes right through). For example, a reduction of 20°f (French degrees) adds 20 x 4.6 mg of sodium per liter of softened water, or approximately 100 mg/L. Given that European standards (Drinking Water Directive) limit sodium levels in drinking water to a maximum of 200 mg/L, and that the EFSA recommends a daily water intake of 2 liters, we therefore advise—whenever possible—adjusting your water softener settings based on these parameters (i.e., to between 15°f and 20°f).