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    Illustration of green water

    Accelerated aging of the water body

    Accelerated aging of the water surface 1 1

    What you see

    Your aquatic ecosystem is showing signs of premature aging. The physical and biological indicators are mounting:

    • Decrease in Bathymetry: The effective water column is visibly shrinking. The lake bottom is rising each year, reducing the storage volume.
    • Degraded Sedimentary Facies: An accumulation of black, fluid (unconsolidated) mud that releases gas at the slightest disturbance.
    • Thermal Changes: Water warms up faster and earlier in the season, promoting evaporation and the concentration of pollutants.
    • Centripetal Plant Colonization: Riparian plants (helophytes) and submerged plants (hydrophytes such as water primrose or water milfoil) are spreading toward the center of the body of water.
    • Organic Turbidity: The water loses its clarity, becoming clouded with fine particles that no longer settle.

    What this means

    Naturally, it takes centuries for a lake to fill up. Here, TASO has identified a sudden acceleration of this process. The problem is simple: your body of water produces more organic waste than it is capable of breaking down.

    Three invisible mechanisms turn your pond into a swamp:

    1. Self-Silting (The Lake Fills Itself)
      Contrary to popular belief, silt does not always come from the shores, but from the water itself.
      The mechanism: Algae and dead leaves sink to the bottom. Since the lake is “overflowing,” it can no longer process this material. It accumulates and forms organic silt that raises the lake bottom year after year.
      Result: The lake loses depth due to the accumulation of its own untreated waste.
    2. Bottom Suffocation (Silt That Swells)
      The bottom of your body of water can no longer breathe.
      The mechanism: Deprived of oxygen, the siltdoes not break down properly; it rots (fermentation). This putrefaction produces gases that cause the mud to “swell” like foam, increasing its volume and preventing its natural compaction.
      Result: A layer of soft mud, “inflated” by the gases, which occupies an enormous volume in the pond.
    3. Plant Colonization (The Light Trap)
      This is the final stage of the transformation.
      The mechanism: As the bottom rises, the water becomes shallower. Sunlight can now reach the bottom in the center of the lake.
      Result: This signals plants (reeds, water lilies, water primrose) to take root everywhere, not just along the edges. Open water disappears.

    Conclusion: Your body of water isn’t dying of old age; it’s suffering from organic overload. It’s accumulating matter instead of recycling it.

    Accelerated aging of the water surface 2 1

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    Why act now?

    Accelerated aging leads to a tipping point beyond which gentle restoration becomes impossible:

    • Loss of Useful Volume: For hillside or fire retention reservoirs, the actual hydraulic capacity becomes insufficient for operation.
    • Risk of Irreversible Clogging: Once the root systems of invasive plants have spread throughout the entire bottom of the waterway, only heavy-duty mechanical dredging can reopen the waterway. The cost is 10 to 50 times higher than that of biological treatment.
    • Biodiversity Collapse: The transformation into a hot, oxygen-depleted environment is eliminating native species (freshwater fish) in favor of hardy, invasive species.

    The TASO Solution
    Restore mineralization and oxidation

    The goal is to reverse the sediment balance by restoring the natural processes of material decomposition.

    1

    Sediment Oxidation and Structuring (Mineral Action)

    We modify the physical and chemical conditions at the bottom to stop fermentation.

    How it works: When applied, Nautex (coccolithic calcium carbonate) acts directly within the sediment. It corrects acidity (pH) and restores the oxidizing potential.

    The result: The sludge transitions from an anaerobic state (fermentation, swelling) to an aerobic state. It undergoes mineralization, compacts, and significantly reduces in volume.

    2

    Targeted Bioaugmentation (Material Digestion)

    We enhance the environment’s natural purification capacity by introducing specialized microorganisms.

    The process: Inoculating selected bacteria (Biolimpid Sludge Away) enables the targeted breakdown of complex molecules (cellulose, lignin) that make up the old organic sludge.

    The result: A physical reduction in the sludge layer through the conversion of solid matter into water and inert gas. This is the principle behind biological sludge treatment.

    3

    Destratification and Oxygenation (Metabolic Support)

    We provide the conditions necessary for benthic bacterial life.

    The process: Installing bottom aeration (Oxylake) or a hydraulic mixing system homogenizes the water column. This ensures a constant supply of oxygen to the water-sediment interface, which is essential for maintaining digestion activity.


    Products & Related Solutions

    To reverse the aging of your pond:

    biolimpid

    Biolimpid

    Biological sedimentation
    Learn more
    nautex

    Nautex

    the standard mineral treatment for all bodies of water
    Learn more
    oxylake

    Oxylake

    Oxygenation solutions for ponds and bodies of water
    Learn more

    Need a study?

    Each protocol is tailored to the initial assessment, the characteristics of the body of water, and its intended uses.

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