| Bio-Guard Water Treatment System
Simple to Use, Easy to Install, Long Reliable Service
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The New Spectra Bio-Guard is an easy to install antifouling system designed for Marine Airconditioning
systems. The Spectra Bio-Guard is a powerful tool to assist in keeping pipes, hoses
and heat exchangers of your HVAC system free of marine growth and barnacles. Using a specially
formulated metallic alloy, the Bio-Guard leeches small amounts of ions into the seawater cooling
system that retards marine growth. No electrical connections or control systems are necessary.
The Bio-Guard installs in line into your cooling water supply and starts going to work immediately
eliminating and preventing marine growth.
A clear plastic housing makes it easy to know when your Bio-Guard needs replacement. The alloy
module takes only minutes to replace with common tools.
Finally, a simple, safe solution to prevent the need for expensive caustic acid washing that shortens
the life of your HVAC system.
The Bio-Guard comes in four standard sizes and must be matched properly to your HVAC cooling
water system. The Bio-Guard part numbers correspond to the common sizes of the seawater
pumps used in standard marine air-conditioning systems.
Larger units or special applications are available, please contact the factory.
| Bio-Guard model |
Required flow |
Air-conditioning Capacity |
| BG-500 |
250-500 GPH |
12,000- 24,000 BTU ¾” NPT |
| BG-1000 |
500-1000 GPH |
24,000-48,000 BTU 1” NPT |
| BG-1500 |
1000-1500 GPH |
48,000-75,000 BTU 1 ¼ NPT |
| BG-3000 |
1500-3000 GPH |
75,000- 140,000 BTU 1 ½”NPT |
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System Layout
Testimonials
| “I want to thank you for building and designing the most spectacular product that I have seen in the last forty
years of my boating experience! The Bio-Guard really works, saving me lots of time and money while keeping
my air conditioning systems totally clean. It is almost too good to be true. No more slime, barnacles or cut
hands from cleaning strainers and intake hoses.” |
Thank you again,
Capt Terry Lynch, Cape Haze Florida |
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| “I have had the benefit of being able to see the Bio-Guard units in operation for almost two years now. The
units are compact, easy to install, and more importantly do retard the marine growth in the sea water cooling
hoses and strainers. Barnacle growth was decreased to almost nothing. Other boats docked in the same
marina required scraping and even disassembly to acid wash the strainer parts. I can definitely say that the Bio-Guard units do retard marine growth here in South West Florida waters.” |
| Peter Rose
Service Manager, MarineMax Palm Island |
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| “As you know we installed the Bio-Guard on an 84ft Donzi in the Tampa Bay area.
Since the installation we have not had to change any of the chiller intake hoses and other than cleaning out
the occasional sea grass, there is little to no barnacle or mussel growth at all.
In my 25 years in the marine service industry, I have yet to see anything that works like this does. Please let me
know when the product will be available for our customers.” |
| Pat Peterson
Owner, Peterson Marine, Inc. |
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