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Old 09-13-2011, 05:16 PM   #2
Algae Grower
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Join Date: Nov 2010
Location: Albuquerque, NM
Posts: 75

I use a welding supply place in Albuquerque. The refill for a 10# is just a couple of bucks more than the refill on the 5#, so if you have room for it I would suggest the larger cylinder. I think it is around $22 to fill them here, and the 10# tank new and full is around $100.
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