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Old 06-28-2009, 01:49 PM   #6 (permalink)
BLAKEJOHN
Reef Lobster
 
Join Date: Mar 2008
Location: KINGSTON, I.L.
Posts: 1,437
Re: Plenum with water return below the sand

A closed loop is closed circulation system. Basically the water is sucked out of the tank and returned directly to the tank in a different location without going through a sump.
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110 gallon acrylic
1 Yellow Tang, 1 Blue Tang, 2 Eng Gobies, 1 Six Line Wrasse, 1 Tomato Clown, 1 Lion fish, 1 Huma Trigger

RBTA, Approx. 10 snails

Red Monti, Purple Rim Monti, Leathers, Elegence, Yellow Polyps, various Zoa's, FrogSpawn, Ricordias, Greenbirdsnest, Pink Milli, Blue Milli, Bonzai, unknown Acropora's, Purple Digi, GSP, Bubble Coral, Staghorn, Slimer
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