I run a 4 1/2 gal 11 watts light /1powerhead / 1x50 watts heater / 1pr bluestriped pipes/6 sexy shrimp/60 green zoo's/15 rooms/pulse/3types red algae/1red bubble algae/ cactus algae/ 12 hermits red /blueleg / blue lefthanders/1 red mangrove/ 1 small turbo/ 2 gal water change Sundays / BARE BONES ,no additives, no bullshit, FOOD/ shelless brine shrimp straight into tank pases through powerhead / frozen brine shrimp/ the pipes are always hunting through the daytime/ READ/MOE OBSERVATION +DISCIPLINE / NO MORE FISH = NO PROBLEMS /have run tanks like this for 10 yrs / marines 1972/ all the best