Ultraguard Antifouling Master Series was developed by Marine Growth Preventions Specialists Ltd (MGPS) as an alternative method of antifouling. It is an ultrasonic antifouling system , developed to provide environmentally friendly and cost effective antifouling solutions for the commercial marine industry. The Master Series units were developed specifically for smaller commercial craft and leisure boats which lack the space and infrastructure of larger commercial boats.

Ultraguard Antifouling Master Series uses pulses of ultrasonic sound waves at specific frequencies to induce a resonance response in the substrate which marine growth attaches to. This causes a light vibration in the hull of the vessel, which turns the substrate into a sub-optimal location for colonisation, thus reducing drag which in turn results in reduced fuel consumption, greenhouse gas emissions and operating costs. Ultrasonic antifouling can only keep a clean substrate clean, it will not clean a heavily polluted substrate.

Testing is ongoing to ensure that the ultrasonic sound waves are not at a frequency or pressure that adversely affects whales and dolphins.