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#11
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![]() Theoretically it should stop all siphoning
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#12
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#13
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Would drilling a hole on the return loc-line be another (additional) option to help with controlling back-siphon? I did that in my previous tank but it was above the water line, so the constant water spray was annoying. |
#14
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![]() Brian,
Whether you do it or someone else plumbs your tank, remember to dry fit everything so you know for sure everything is going to fit before you glue. I glue everything that is under pressure, but I only silicone those pipes that are under gravity flow. I imagine most people glue everything. Also, most of the time, leaks will be from the bulkhead so be extra careful there. Hand tighten & only add a 1/4 turn with a wrench. Any more and you risk damaging the glass around the hole. Mine is an external overflow box so my ball valve for the return is under the overflow for ease of access, as opposed to being right near the pump outlet. Of course, part of the reason is also I don't T-off my return to run any media reactors (I just use Maxijet 1200s for that). I use a controllable flow DC pump as well, so I'd rather run my pump at lower flow and hopefully put less wear and tear on my return pump and just use easily replaceable MJ1200s for the media reactors. Anthony |
#15
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absolutely , a syphon break is def one way to stop it , placing your lines near the top or using locline to angle them is another option as well. check valves will buy you enough time to stop your skimmer from going haywire or even two check valves in line ![]()
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#16
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#17
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![]() I have put aside my tank upgrade project due to lack of knowledge of plumbing. An drilled empty tank has been stored in my garage for a few months now. I am glad to get useful information from the forum. Hopefully my upgrade project will eventually be resumed.
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#18
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#19
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![]() Fwiw, my last two tanks have been plumbed in such a fashion that the back siphon doesn't affect the skimmer. The skimmer chamber has a 4" higher water level than the return chamber so the return chamber takes all the back siphon. My skimmer stays running during water changes.
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#20
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![]() Curious, does anyone use vinyl instead of PVC for plumbing here?
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