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Algae - The Ultimate Green Fuel
 All pond hobbyist know algae can grow really fast. Given the right conditions it can double its volume overnight. All it needs to grow is water, sunlight and carbon dioxide.
Did you know that 50% of Algae weight is oil that can be used to make biodiesel and ethanol. Both are a much cleaner burning fuels than petroleum based diesel or gas. It can yield between 10 to 100 time more energy per unit than other biofuel crops. 5,000 to 20,000 us gallons per acre year, 7 to 30 times better than the next best crop.
Algae can be grown in ocean water and waste water freeing up or fresh water resources and it is biodegradable and relatively harmless to the environment if spilled. Algae can also be grown on land that is not suitable for other established crops,
Currently there is a lot of research into using algae fuel to replace our dependency on fossil fuels. Some predict that by the year 2017 Algae fuel will have a price parity with oil.
Next time you are fighting the algae in your pond considered that in the not to distant future it could be powering our cars and supply energy to our homes. For more on algae as a fuel click here.
As a side note Duckweed is also being researched as an alternative fuel. | 
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made of concrete and have a nice northwest stain finish. They are a great accent for your pond while providing the needed aeration to your pond.
