My 168g Cube Build!

I read almost all of that thread and no one has concluded that the "possible" leaching of aluminum was harmful


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Looking for opinions and/or guidance.

I have 2 holes drilled on bottom of the tank. 1 hole is 2 6/16" and the other is 1 3/4". I believe I can get a 1 1/2" bulkhead in the larger hole. The 2nd hole will definitely fit a 1" bulkhead.

I'm going to go a different route than what the tank was originally called for. I'm going to use both holes for drains and just feed the return over the top behind my fish room. I'm going to use 1 drain as a full siphon and the other as the overflow. I think the 1 1/2" bulkhead will be the full siphon and the 1" will be the overflow. Or should it be the other way around? Or should I not even do that and stick with just 1 drain? I want the system to be as silent as possible since it'll be in my den.
 
Now I'm unsure about what I posted. I think 2 6/16 is too tight for a 1 1/2" bulkhead so I might go with 1 1/4". And I'm wondering if the larger drain should be for the overflow instead of the full siphon for safety issues.
 
In the past when I bought a used Oceanic Tech tank, first thing I wanted to do was change out the bulkheads in the overflow with schedule 80 heavy duty bulkheads as I have in all my other tanks. Quickly came to the conclusion that the existing holes were drilled for the thinner Lifeguard brand bulkheads and could not accommodate schedule 80 bulkheads so that might or might not be the same situation in your tank.
In all my tanks, the larger pipe is used as the main overflow and the smaller is for the secondary in case the main gets clogged, not sure if this is what your looking to do.
 
That means you will have a Herbie drain. They can be quiet or a pain.
I ran one & with a DC pump running everything, it was a pain.
I say was because the 2nd DC quit last week.
I now have the backup, a Laguna pond pump running & it seems easier to keep it where it needs to be.
 
That means you will have a Herbie drain. They can be quiet or a pain.
I ran one & with a DC pump running everything, it was a pain.
I say was because the 2nd DC quit last week.
I now have the backup, a Laguna pond pump running & it seems easier to keep it where it needs to be.

What problems occur with the DC pump as opposed to an AC? I'll be using the Vectra M1 so now you have me paranoid! :headwalls:
 
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Interior ready for taping


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Just purchased all the furniture grade grey pvc, fittings, and valves. OY! Didn't expect to spend that kinda cash. I'm hoping to get the tank on the stand and plumbed this weekend!
 
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Stand skinned. Need to put in the base, sand, stain, then poly. Tank goes on the stand Saturday!


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As a matter of fact I did consider it. I guess I could at the very least put some vents for passive ventilation. From past experience I'm always working around the sump area so the door(s) will be open often. And on that note I hope it'll increase the humidity in the house since I have forced air. Thanks for the advice! I love receiving input!


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