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02/02/2018, 10:55 AM
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#1 |
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Registered Member
Join Date: Jun 2003
Posts: 713
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Herbie emergency stand pipes with downward U’s?
I have a 180g dual overflow setup with 2 overflows. They are running as herbies and they are incredibly hard to balance and get the drains to stay level. Is there any downside to running a set of downward U’s on them to quiet the drain noise down? It starts as a trickle then over the course of a few weeks it becomes a stream. Is it possible my vectra m1 isnt keeping a constant flow? What else can I do?
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02/02/2018, 02:39 PM
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#2 |
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Registered Member
Join Date: Nov 2002
Location: Miller Place, NY
Posts: 7,206
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You do have Gate Valves on the drains, Ball Valves will not work well.
Everyone says barometric pressure has an effect on this type of system. Took me a long time to get mine dialed in & I have to be happy with some water in the emergency every once in a while. As long as it is minimal.
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250 gallon mixed reef, 2 Reefbreeder's Photon V 2, Deepwater BLDC 12, DAS EX-3 Skimmer, MTC mini cal, 2-3/4" Sea Swirls, Aquacontroller & 6 Tunze pumps. |
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02/02/2018, 06:50 PM
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#3 |
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Registered Member
Join Date: Jul 2008
Location: Edmonton Alberta
Posts: 4,717
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if your sump fluxuates thats probably the problem. head pressure changes and then your overflow changes...and yes gate valves all the way
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----------------- Current Tanks: New 210 custom 84 x 24 x 24, 60g sump, SWC 250 extreme with bubble blaster 5000, 2 vortech mp40, 2 vortech mp10, 12 T5, Water blaster 5000, warner marine bio pellets, 60g clownfish cube, red carpet anemone with a 25g sump,SRO octopus 1000sss, 250w radium, lumenarc large. |
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02/02/2018, 07:40 PM
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#4 |
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Registered Member
Join Date: Jun 2003
Posts: 713
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I have gate valves, the sump is a bashea 48ss and then it has an auto top off. There should be very little fluctuation there :/
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02/02/2018, 09:39 PM
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#5 |
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Registered Member
Join Date: Jul 2008
Location: Edmonton Alberta
Posts: 4,717
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could be the vectra, or maybe a air pocket stuck in an elbow in the drain line? with an ato there shouldnt be much fluxuation in the overflow box
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----------------- Current Tanks: New 210 custom 84 x 24 x 24, 60g sump, SWC 250 extreme with bubble blaster 5000, 2 vortech mp40, 2 vortech mp10, 12 T5, Water blaster 5000, warner marine bio pellets, 60g clownfish cube, red carpet anemone with a 25g sump,SRO octopus 1000sss, 250w radium, lumenarc large. |
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02/03/2018, 12:38 PM
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#6 |
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Grizzled & Cynical
 Join Date: Apr 2006
Location: Stamford, CT
Posts: 17,319
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It's hard to say. I run flow meters on my main return pump, for example, and it fluctuates between 1,370 and 1,390 throughout the day. Certainly there may be some error in the meters, but I also see varying amounts of water coming through the open channel. Though I now run a bean, when I did run dual herbies on my prior 265 it was impossible to keep the drains perfectly dialed in. I did put a vented U over both of my backups to muffle noise.
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Simon Got back into the hobby ..... planned to keep it simple ..... yeah, right ..... clearly I need a new plan! Pet peeve: anemones host clowns; clowns do not host anemones! Current Tank Info: 450 Reef; 120 refugium; 60 Frag Tank, 30 Introduction tank; multiple QTs |
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