I am long for a macro like shaving brush to reduce nitrates and that my angels and crabs won't eat. Is that good or is there another one or two that would work?
http://www.liveaquaria.com/product/prod_display.cfm?c=490+1478&pcatid=1478
37 gallon, LEDs, fish and coral
http://www.liveaquaria.com/product/prod_display.cfm?c=490+1478&pcatid=1478
37 gallon, LEDs, fish and coral