Chemical-Free Lake Restoration
Stop toxic algal blooms using Hydro Synergy's eco-friendly ultrasound.
Hydro Synergy's advanced sustainable technology eliminates cyanobacteria within one month, reduces turbidity, restores the lake to a healthy state and makes the water safe for fish, birds, and recreational water activities.


How Hydro Synergy Applies Ultrasound in Lakes
Step-by-step process. No chemicals, just proven science.
Lake Survey & Profiling: We begin with a detailed assessment of the lake which includes identifying the cyanobacteria and algae species and other critical lake data to implement the best course of action.
Targeted CSR Deployment: Solar rafts, shore based solar panels or AC power based units are deployed using advanced bio-technology that leave the benthic layer undisturbed.
Rapid Bloom Collapse: Within four weeks, CSR frequencies rupture gas vesicles in cyanobacteria cells which sink to the benthic layer disabling the ability for the cells to photosynthesis.
Continuous optimisation: By regular water samples and observations we adjust and monitor to achieve the best outcome to keep your lake healthy all year round.
The result is safe, silent lake restoration that ends cyanobacterial bloom cycles while protecting fish, birds, and culturally significant sites.
Technical Benefits Of Ultrasonic In Lakes
01
10,000 unique CSR frequencies
Our units sweep the 20–250kHz band, matching the resonance of target algae and biofilms without cavitation.
02
Solar-Ready, Low-Power Design
Each platform draws only 15 watts and can run entirely on integrated solar arrays, so you can install it in remote lakes.
03
Non-Invasive and Ecology-Safe
Non-cavitation ultrasound is proven safe for aquatic life, preserving habitats while restoring water.
04
Chemical-Free Operation
CSR ultrasound removes copper, alum, peroxide dosing, enabling chemical-free lake restoration and eliminating storage and permit hassles.
Lake Restoration Operational Outcome by CSR using Ultrasound
70–100% Bloom Elimination
Rapid CSR resonance sinks harmful algae within 4-6 weeks, cutting cyanobacteria counts and toxin levels to trace ranges.
1.5m + Clarity
Boost
Eliminating algae and Cyanobacteria improves Secchi depth to more than 1.5 metres giving visitors visibly clearer water.
0 Anoxic Bottom Layers
Reduced biomass keeps dissolved oxygen stable, removing anoxic layers and safeguaring fish and plants.
100% Chemical-Free Ops
Solar-ready silent units end copper and alum dosing, restoring lakes without chemicals or ecological trade-offs.
Regulatory Compliance and
Lakes-Safety Operations
Meets NZ & AU cyanotoxin standards
Our ultrasound treatment drops microcystin and anatoxin to trace levels, helping councils align with WHO-based limits for recreation and potable intakes.
Zero chemical permits required
Chemical-free ultrasound treatment removes copper, alum, and peroxide from your toolkit, eliminating storage, handling, and discharge consents while still controlling blooms and biofilms.
Solar-powered and carbon-neutral
Integrated panels keep systems off-grid and emissions-free, supporting council climate strategies and avoiding trenching or mains-isolation paperwork under environmental consents.
Verified safe for fish and wildlife
Non-cavitating CSR frequencies produce no heat or shockwaves, proven harmless to fish, waterfowl, zooplankton, and macrophytes during continuous lake restoration.
Silent operation respects cultural sites
Quiet floating or shore units protect culturally significant zones and amenity, avoiding aerator noise or dredging, perfect for public lake restoration.
Remote Telemetry provides valuable data
Remote monitoring units provide valuable data in real-time giving operations on-going information to make informed decisions.
01
Request for a free
assessment.
02
Schedule the site ocular
visit.
03
Sign up for a trial without
long-term commitments.
04
Satisfied with the results? Discuss a sustainable plan with us.
Trusted by Lake Stakeholders, Councils, and Environmental Managers
Real-Life Testimonials
Industries that Benefit from Lake Ultrasonics
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