Lets say I re-build...
Here are the trouble areas I see. Lets tackle these first and others may come up as we dig deeper.
1) The OM 4-way under the tank is a PITA to access and clean out if it clogs up...which it does and will continue to do so even if i keep it prestine in the tank...So I am thinking either the returns need to be moved or the CL needs to be plugged and turned off.
While I admire Ocean Motions and their designs, I would not have one on my system. And I am sure you heard this before. IMO the only moving part in flow show be the actual pump head.
2) I have 10 Tunzes in the tank (4-6305, 4-6205, and 2-6105) and I don't think I ever got the handle for what they should be doing. Should they have all been on one side, all along the back wall, on some sort of pulse, etc...
Tunze and other such powerheads are great. Easy to replace, repair, and move based on coral growth etc. 10 seems like overkill though until you have a large coral mass within the system. There are many ways to "hide" them as well, like having the tank longer than the viewing area, using creative rock formations, and in-tank "rock" conduit.
3) My return lines are kinda "hokey pokey". Lots of splitting and reducing going on. I am wondering if I should just hook up the waavy seas to the back wall and get rid of the front returns. Meaning, should I just have the pipe split once and come up the side of the tank and return through the back of the tank?
In my next system, my returns will go over the top, down to the bottom, to eductor manifolds. NO HOLES IN THE TANK! One return pump and manifold for each side of the tank, driven by VFD (Variable Frequency Drive) motors on a controller. These will be able to pulse back and forth to mix detritus into the water column, but also relax during the evening to let the fish rest. This is predicated on an out-of-sight bottom pane and the rock structure mounted on carbon fiber legs. My goal would be 100% flow coverage of the tank bottom.
4) The sumps under my stand are even more impossible to clean and access than the OM 4-way. I think if i got these from under the stand it could help tremendously. I don't think anything needs to be under the tank, should it?
This is the single largest mistake made in large tank installs IMO. I believe all areas of the system should be 100% accessible period. Detritus settles everywhere and the ONLY way to ensure the health of your reef is to be able to control this situation 100%. If you can't reach it, it won't get done. Even though my last tank was 5' x 8', there was nothing under it other than electrical and plumbing. And all plumbing had extra valves and unions so any part could be removed while the system was running.
5) Calcium and Kalk reactors...Do I really need these? Would I be better off with dosing Ca, Alk, and Mg? If its better for a big system like this to have reactors is there a better way to set them up?
Yes and no. I have had significant experience with both and their positive and negative effects on a system. So, I would plan a modified "ultra" Balling Method for my next system. Not only would I does Ca, Alk, Mg, but also strontium, iodine, and other needed elements. The things about using coral bones for calcium media, is that it contains much more than just Ca. So, you may need to look at a hybrid supplement system that relies on both reactors and dosing, as your reef grows. The great thing about dosing is that you can always does more.
6) Do I really need a UV system? If I do keep it I need to re-route it so its easier to maintain and change bulbs when needed.
UV has its place, particularly in emergent situations, QT etc. I would keep a fairly powerful one installed so that water could be routed through it as needed, or at least have one permanently installed on your QT system.
7) What about Carbon and Phosphate? What kinda of reactor and where do i put it in the flow of water throughout the system? The reactor I have is garbage and I don't think it ever really did anything for my system...
I think carbon is a very important part of aquarium husbandry, for the mere fact that we do not have an ocean to dilute polution. Carefully executed, I find that it does a world of good for my tanks, but the caveat is that it must be the right carbon, thoroughly washed of dust in purified water, and heavily guarded with mechanical filters to keep the fines out of the display tank. I would actually soak my carbon and coral bones in RO/DI water, drain and refill, until the water tested zero for all pullutants (most notably, PO4).
I wouldn't run a system without PO4 media ever, particularly if running a calcium reactor. Mine was set up so that the stream of water exiting the calcium reactor went through PO4 media and multiple socks. This polished the PO4 created during the calcium/CO2 reaction. Again, like all equipment, a LOT of thought must be given to how it is installed.
8) What if I wanted to remove the tile in the room? What would you put down instead? Marble? Stained Concrete? Rubber?
Deifnitely NOT marble! :lol: So there are several ways to go with this, but I would warn you that concrete does not stand up well to salt water, even when well sealed. Check out how hospitals run vinyl 6" up the wall. The downside being getting cut open by sharp obejects. There are very good garage coatings, not HD crap, but the real stuff, with so many options. Rubber is enticing, but I question how well it would do with UV. Also, check out
Tennant Floor Coatings. These guys really know their sheet.
9) The tile in the room is a PITA. It flakes off when it gets wet, its uneven everywhere, and looks like crap when dirty. Now if I removed the tile that means I need to remove almost everything in the room...maybe including the tank. Hmmm...Wow. Big Job.
Buck up and get 'er done. You clearly showed the ability to take on this project in the first place, so why is it so hard to take corrective action?
10) The lighting makes it hard to clean the tank and it seems like 6 x 400w MH SE are just overkill. I wonder if 3 bigger reflectors with other supplements to offset the gaps would do better?
Remember what I did? 3 x 1000W lamps on movers... and don't worry so much about gaps. Fish and other inhabitants like a little shade too now and then!
