5',2.5',4' 1500 gallon refugium for a fish tank 2' of live sand then lots of live rock and macroalgae 4 pvc pipes 2" in diameter for flow of water would be for a tank of 200-1250 gallons of water #algae #ammonia #aquarium #biochemical_filtration #biochemichal #cool #cool_fish #coral #DIY #filter #filtration #fish #fish_tank #freshwater_aquarium #huge_fish_tank #macro #macroalgea #macrofauna #micro #microalgae #microfauna #nitrate #nitrite #nutrient #pvc #refugium #saltwater #saltwater_aquarium #sand #water
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