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Originally Posted by e_baer  its pvc pipe. i know exactly what you are talking about. yeah, it is reef safe, and not tooo expensive either. just make sure you get pvc pipe that is a big enough diameter, and make sure you ger some 90 degree bends too. i am guessing you want to burry it in the sand, and have the openings just above the sand? |
yeah i got the idea from a tank i saw with them. i did what to have them under the sand.