65 gal, Eheim cannister filter, 2 powerheads on opposite sides of tank to create circular flow, 1 clam, about 10-15 astrae snails, hermit crabs, emerald crab, AqauticLife lighting (700, 420/400, LED's) running on pre-programed timing (low lights from 8-9am, highlights from 9a-6p, low lights from...