| http://www.w3.org/ns/prov#value | - $80 dollars is a bargain for a pressurized co2 system and if you follow the easy plans to OD lights that you have posted(I did :) )a person could have an awesome aquarium for minimal investment.Assuming they do all the other important things of course.Which I admit I am still learning and have a looong ways to go still.
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