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Old 11-27-2013, 03:58 PM   #31
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but why use a sealant thats going to destroy the bulkhead when you can just as easily use lubricant to seal it and then if the need arises you can simply unscrew it? thats wasteful. the one thing i find astounding is that in our hobby, we constantly preach redundancy to promote safety and stability of our tanks. why would we not apply this same logic to bulkheads? what happens if a bulkheads springs a leak on an extended holiday weekend when you cant get another bulkhead for 3-4 days? if you siliconed it....you are screwed. if youused lubricant, you could simply loosen it, readjust accordingly, then reseal. i would have used lubricant on my bulkheads to seal them. but i didnt know of it so now im stuck hopinh that my bulkheads dont leak.
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Old 11-27-2013, 04:04 PM   #32
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Quote:
Originally Posted by huma-huma View Post
but why use a sealant thats going to destroy the bulkhead when you can just as easily use lubricant to seal it and then if the need arises you can simply unscrew it? thats wasteful. the one thing i find astounding is that in our hobby, we constantly preach redundancy to promote safety and stability of our tanks. why would we not apply this same logic to bulkheads? what happens if a bulkheads springs a leak on an extended holiday weekend when you cant get another bulkhead for 3-4 days? if you siliconed it....you are screwed. if youused lubricant, you could simply loosen it, readjust accordingly, then reseal. i would have used lubricant on my bulkheads to seal them. but i didnt know of it so now im stuck hopinh that my bulkheads dont leak.
If you're being really clever you can use a flow control valve (tap) for the straight connector knocking out two problems. It is re usable if you know plumbing! It is headache free and a one time only costing.

Silicone can be cut. If the bulkhead leaks whilst on holiday in any case you are screwed. It wouldn't spring a leak if it was correctly installed unless physically damaged. If you shocked the fitting enough to damage it, personally I would be more concerned with the broken tank.

Floated Glass is more brittle than an abs plastic fitting of almost any configuration.
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Old 11-27-2013, 04:08 PM   #33
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The adhesive break strain of silicone must be seen to be believed.

It is used because it can be trusted!

My big tank can be picked up from the base panel by suckers and the tank stays complete. 12mm glass is 30kgs per sq. metre.

That's a lot of force, now consider water pressure on those joints, 750 kgs. Not even a mild bulge. It is safe, that's why it is used to fix in place massive panels of glass in buildings.

That tank could be siliconed to a properly prepared substrate and be deemed safe. Ie you could glue it to the wall with silicone. I wouldn't fill it though!
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Old 11-27-2013, 04:31 PM   #34
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Silicone, just ask NASA!
See what they glue up with it!

I'm sure it was invented for the space program.
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Old 11-27-2013, 04:38 PM   #35
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what are you even talking about?? its plain and simple. why use a product that is going to require you to alter/destroy a bulkhead to get it off?? when you can just as simply use a lubricant to seal it??
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Old 11-27-2013, 04:38 PM   #36
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Originally Posted by J.Mcpeak View Post

I still mean no offence to anyone.
I'll speak for myself- no way do I think you are being negative or offensive. I thank you for your experienced input.
Believe it or not, every day reef ready tanks are broken down and sold from one to another. As a matter of fact, I'm selling mine now and the new owner will have no problem removing my bulkheads
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Old 11-27-2013, 04:41 PM   #37
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In response to huma, peace of mind. Ask the OP.
In response to mr x. The plumbing will be the same. Why remove it?

You will have a bulkhead and a piece of pipe, the pipe can be plumbed on to the next system. Reduction fittings are available to cater for any difference that might arise.
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Old 11-27-2013, 04:44 PM   #38
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They will be in the way during transport. A good chance to crack the glass at the very least. I myself, would want to reseal or replace bulkheads on a used setup.
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Old 11-27-2013, 04:46 PM   #39
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What is this! Every possible reason! Travel with care, select an appropriate sized vehicle and ensure the item being moved is safely and securely loaded to prevent loss during transit!

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Old 11-27-2013, 04:47 PM   #40
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i didnt even think of that aspect, yeah trying to safely transport a drilled tank with bulkheads installed is a gamble at best.
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ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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