If you are perpendicular to your joists you shouls be fine if you choose to put it in a location that is parallel to them then you would need to be careful that the tank is on 2 joists or that you strengthen the floor somewhat. IMO
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Biocube 29 est 05/05/08, Koralia 1, 30lbs live rock, ,yellow tail blue damsel, pair cinnamon clowns, baby snowflake eel,Toadstool , metallic green mushroom, assorted zoos , kenya treen
180gall display, 190 pds live rock, virgate rabbitfish,bluejaw trigger, bubblletip anemone,yellow tang, sailfin tang,melanarus wrasse, cloud wrasse,

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