JapanReef - 450 gallon In-Wall system

Go big Laurence. The reason why I say that, is you can tune them down while the reef is growing out, but crank them up when it is mature and you need more flow. You still get the electrical savings, but don't have to buy new ones later on.
 
Checked out the Dart CL today. Turned it on and it was working. I then remembered that I turned it off because flow had whittled down to nothing. So I took it apart and saw teh problem - the impeller was incased in Nassarius snails. :p

So I dug them all out - all dead anyhow, and soaked it in vinegar for a while. Cleaned it up, whacked it back in and lo and behold I have a working closed loop. The CL takes water out of a 2" bulkhead at the back and returns it via 2 bulkheads on the right side. Unfortunately the pump is a big loud. I realise how spoiled I've been with just the one Iwaki MD-30RXT running for the return (that pump is completely silent, Iwaki ftw). Sat in my office with access doors closed and tank room door closed I can hear it. But it's no big deal.

So then, what has gotten into me? I managed to clean the skimmer and considering the skimmer is part of the return flow as the tank drains into it I had to rig up a bypass so wasn't simple. I service the skimmer pumps, and the return pump. I changed RODI filters, I cleaned the tank and now I "fixed" a closed loop pump.

You know, I think I might be truly back in the game. :D
 
Welcome back to the obsession!
crazy.gif
 
good to hear. a properly running Dart should not be too loud. my ballasts are louder than my Hammerhead. BUT, sweet that it is still running, and once again, proof as too why I like them so much.
 
It is sad to hear that all the sps are dead.

Hope that you will get back into things and return the tank to its former glory.
 
<a href=showthread.php?s=&postid=14736647#post14736647 target=_blank>Originally posted</a> by NexDog

You know, I think I might be truly back in the game. :D

Excellent!
 
Dart is leaking a bit. Not too much but enough to soak 2 small towels in 24 hours that I have wrapped around it. I remember someone saying ages ago that pump housing could leak if over-tightened. Any truth in that? Just need to know before I get in there and crank up the nuts. :p
 
First check the little plug, clean the thread, lube the o-ring, and replace. Since the pump was down for so long, the main o-ring could be dried out or even decayed.
 
Nexdog,
I just went through your thread and want to congratulate you for your honesty in reporting it.
I also appreciate the difficulty of planning your whole house+tank+fish room at the same time.
I've been trying to do the same thing but had to put the tank on hold until the rest could be finished.
If I may, I really think you should get a book like "The Reef Aquarium 3" .
I think it has been recommended to you earlier in the thread but it is really a great source for plumbing and wiring tips.
 
It seems to be leaking less now. I think the leak is at the very bottom of the housing that is bolted together. I tightened the bottom two nuts a bit more today, will see if that holds it. If it does't what should I use as lube for the o-ring?

snadaud - no point in hiding anything. I'm not out to impress or win any awards. I'm here to learn from all these reef boffins. :D

Ordering 40kg of live rock within the next 2 weeks and will beginning the makeover. I don't think I'll have to cure it too long, what do you think? When I got the rock before there was substantial die off that stank out the spare room for a few weeks. It gets shipped in wet newspaper, double bagged. But my tank will easily be able to absorb quite alot of die off. I'm thinking cure for a week, get the worst of the die off out and whack it in it. Any thoughts?
 
ONLY use 100% silicone. Sometimes hard to find, but you can get it online or in quality plumbing supply stores.
 
That's good, the seals have to be lined up just so, and they do crack if you you tighten a pipe or bolt too much so watch that!
 
<a href=showthread.php?s=&postid=14764014#post14764014 target=_blank>Originally posted</a> by NexDog
Hopefully no need. Pump is no longer leaking. :D

Probably just needed to get wet, but, you should pull it apart every few months, inspect, clean, and re-lube as part of your normal maintenence routine.
 
Okay, so going to hook up the Hammerhead to the back bulkheads today. I really wanted to use the 4-Way but with the valves the thing is so heavy. Rather than sitting it on the pump I wanted to hook it in right behind the bulkheads so I only had to plumb in one line down below the tank to the HH pump. Feeding 4 lines down there is definitely NOT going to happen. So anyone have any ideas for that?

Otherwise what I'll do is rig up a straightforward manifold - T'ing a line off into the 4 bulkheads like this:

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Question is, is there enough flow from a Hammerhead for that? Or will each bulkhead just provide a trickle? I have a Dart hooked in to 2 bulkheads like this on the right side and it provides some good flow. If it's too much I could cut it down to 3 bulkheads maybe? Any thoughts?

Also I'm going to mock up my tank in plywood later and put in all the side/back bulkheads so when the rock comes I can make the structures to the correct sizes first. Going to use epoxy and plastic ties.

Going to have to make a decision on the 3 foot wide anenome though. I have smaller ones in teh sump I could replace it with but I'm sure the Clarkii would heartbroken. Or I might get a blue carpet and see if she'll host in that.
 
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