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Have 66gal tank 50 lbs. LS skimmer, 3 PH, filter & wet-dry
6 fish 3 cs 2 black/white ,6 red leg hermit crabs 1 arrow crab
1 hitchhiker ? crab lives in a hole in the rock comes out only at night ?????.
LIGHTS= 3 ho power-glo (18000 k ) 2 blue.
What type of coral can i put in, and how many...