moving nutrients and ions through membranes from old to new cells certainly helps them survive periods of low food supply ! We can do the same as humans , lol.kinda like storing fat ! lol. I didn't think algae was sophisticated enough to pull it off !

I have some Chaeto in my refugium with 7 pounds of live rock rubble. I have a 13 watt cfl over it but Im thinking I may need more light. One of the biggest differences in algae growth between a fresh water and a reef is lighting. I have always read low wattage cfls are fine, but I'm already competing against a simpler structure . I have been reading alittle about algae scrubbers, anyone try one ?