BoxOfCrayons Posted January 30, 2013 Share Posted January 30, 2013 Great product. I always wanted to try one out but wouldn't spend the $ on a rio product. I game across a for sale thread asking $30. I jumped on it. The polario moves a lot of water and alternates left to right. I have it set about 2500gph (up to 5500gph) to alternate every 2 minutes. Works perfect. 3 negatives 1st off is the hum. Reefers who complain about vortechs being loud definitely stay away form the polario. The polario is a lot louder than when I ran vortechs. 2nd is the size. It's almost 10 inches long. 3rd is mounting. It has to be mounted in the middle of the tank since flow alternates left to right. Link to comment
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