Lowest cost and easiest way to eliminate green hair, bubble, turf and in General Reefkeeping_ Posted July 22, 2013 First 13 days of growth in a floating surface scrubber. This one used four LEDs of 3 watts each, 660nm (red), but you could also use a CFL bulb... nice!
Lowest cost and easiest way to eliminate green hair, bubble, turf and
in General Reefkeeping_
Posted
nice!