Questions - Need some input

So I need some help on deciding what size pipe I am going to use for my over flow into my fuge. I have a 1400 gph return pump. Any help would be great. Happy reefing.

Hey guys. I've got a weird question! Two of my three chromies are kissing alot. It's really the only way I can describe what they are doing. It's not like a peck but more like they are in highschool sucking face. It's really weird. It's almost to the point where I have to sit my son down and have the birds and the bees talk. HELP!!!!!!!

With all the information on reef keeping online and on pages such as this one, I find myself wanting to try all sorts of new ideas. Lack of money is the biggest obstacle I am encountering in the hobby. I would love to start a propagation tank to supply my club members a place to store tiny frags of there most prized corals. This would also give me the opportunity to grow these corals out and bring frags to frag swaps and what not. I would love the hobby to be completely self sufficient, and oppose ...

I have a rock that I got from a friend that had some neat orange zoas on it. It also had a small carpet aneome on it as well. I put the rock in the tank and the carpet moved and the zoas are doing great, but within the past month or two of growth they have all started to change colors. Some are still orange but some have started to change to a pale blue when the actinics are on. They are all healthy and still growing. Is there a reason for the color change?