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that sounds workable. All of my experience is with single 2X4. It is about what I said that it all depends on the material that you use and how strong it is.
I am sure someone else can confirm or deny this for you but it all depends on the material. If you have less supports then what it is holding needs to be stronger. The piece that runs parallel to the ground would bend or snap without the extra supports. It "may" work with that but if you are...
The only way I know to gage a skimmer is to see how much stuff it pulls out. You may not get much coming out until you put something into the tank though. I got a small amout of stuff while my tank was getting setup but nothing compared to once you put some load into it.
I think you are exactly on with the 17". That is the max you want to seperate your supports. It really does not matter how much weaght (kinda) you have on there because if you put your supports 17" or less apart you will distribute the load evenly. I have my 240 with that right now and the stand...
I was confused by your post on one part. Did you put it back into a container with another acro that was slimming or the same one? I have always heard to seperate the arcos becuase they can attack eachother with their slime.
I would go as high as the middle of the tank is at your eye level. I like the higher tank so you don't have to bend down to see everything. It all really depedns on the setup also. If you are going to put chairs in front of if then you don't wan it that high.
Ok........ I guess I should NEVER have posted in this thread! I was looking at one of my frags today and guess what I found!!!!!!!!!!!
I did not see it on anything else. I removed the frag fast. Could it have only been on the one or will it spread no matter what?
I have learned a bit about schooling and things like that. Cromis actually school different than anthius. I also have 6 anthius and i find that they only school at night or when they are scared. Other than that they do their own thing.