
Ultrasonic, Chemical-Free Algae Control for Every Water System
From potable water and stormwater to aquaculture, wastewater, and cooling towers. Hydro Synergy protects critical water assets with zero chemicals, zero downtime, and proven results. Trusted by councils, manufacturers, dairy farms, and marine operators across NZ & Australia.
Who We Are?
Hydro Synergy is redefining how the world controls algae with smart, sustainable, ultrasonic solutions that protect water and the ecosystems that depend on it.
Headquartered in New Zealand and serving clients across NZ and Australia, Hydro Synergy provides ultrasonic algae control systems that are proven, low-maintenance, and 100% chemical-free. Our mission is simple: protect water, people, and infrastructure without sacrificing compliance or sustainability.
With deep expertise across industrial, municipal, agricultural, and environmental sectors, we help organizations shift from reactive treatments to long-term water quality solutions that work.


Why Hydro Synergy?
Your water quality isn’t just a cost; it’s a critical asset.
Whether you manage wastewater lagoons, potable water reservoirs, aquaculture ponds, or cooling towers, uncontrolled algae growth leads to system inefficiencies, regulatory risks, and costly downtime. Hydro Synergy offers a proven, chemical-free alternative that solves algae problems at the root.
Industries We Serve
Explore Your Industry. Solving Algae and Water Quality Challenges Across Every Industry. Without Chemicals or Downtime
The Before & After Results Of Our Ultrasonic Technology
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Our Applications
Targeted Algae Control for Every Water Body from Lakes and Ponds to Wastewater and Drinking Supply
Trusted by Communities in New Zealand and in Australia
Real-Life Testimonials
Hydro Synergy Products


SolaRaft-iQDB™
A durable, solar-powered buoy delivering reliable energy for ultrasonic algae control and optional water quality monitoring across diverse aquatic environments.
SolaRaft-iQM™
Compact, solar-powered buoy offering continuous, real-time water quality monitoring with wireless communications for cost-effective, remote water management.

SolaRaft-IVP™
Solar-powered buoy offering advanced, programmable vertical water column monitoring with remote connectivity for efficient, real-time aquatic data collection.

Quattro-DB® & Mezzo-DB®
High-performance ultrasonic transducers delivering rapid, chemical-free algae and biofilm control for large lakes or targeted areas requiring directional precision.

ARCS Technology™
A comprehensive solution combining water quality monitoring with ultrasonic algae management, powered by solar energy for efficiency and sustainability.

SPL ANALYZER
Accurate, real-time sound pressure level analyser with wide frequency range, colour touchscreen, and robust data capture for field-ready acoustic monitoring.
Newsletter Signup
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Frequently Asked Questions
Need Help Right Away?
Contact us directly at hi@hydrosynergy.co.nz or call us at 0800 NoAlgae