Been a while since I have been on here here is a video from a few months ago witch I have lost all my sps it about 2
550 plywood reeftank: http://youtu.be/Zjs3wVIB_Z4
It is different for everything, but I think it's between 10-20% I may be off but I think that's what I have heard. If you join the group buy after it is over you will have your account changed to preferred member and get discounts from then on. Not as much as a gb but you can join as many as you...