an update... my friend has really high phosphate levels and low Mg...
I've been running with a P/S for about 1.5 - Months...
no phosphate and low Mg... i have a refuge with cheato and a DSB light 24/7
the low Mg i think is from the salt i've been using...
oh, i have done a water change... before...
isn't NASA trying to make it so people can live is a "closed system" in space? also, did he ever say that he wasn't going to feed them food? i think he meant no water changes and do PS...
GOTO: http://www.reefsuk.org/forum/viewtopic.php?t=13002
I visited this guy's house yesterday... 530 Imp. gal. total volume system ( Imp. Gal. =4.5 l US Gal. =3.79 l) anyway. no PS just small 303 with carbon. he has had it going for 2 years, his first and only water change was a month or two...
I think that it'll work, given he has enough live rock (AKA: the stuff in the black bucket) and he lightly stocks his tank.
of course it isn't a true closed loop! that is where the light in his show tank come in. engry is going into the tank in the form a light... blah blah blah... i'm in the UK...