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09/23/2017, 11:17 PM | #1 |
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Join Date: Sep 2016
Location: San Jose, CA
Posts: 171
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Heater in Weir?
I have an Eheim Jager 300w heater. The thing is huge and won't fit in the sump. Can I put it in my weir? I am not sure there is much waterflow in there, just at the top. thoughts?
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65 Gallon/ 36x18x24, Aqueon Proflex Sump Model 3, Mars Aqua 165w LED x2, Coralife 65 Super Skimmer, Mag 9.5 Return, Vortech MP40, Jebao DP‑4 Auto Dosing Pump, JBJ Artica 1/3 HP Chiller Current Tank Info: Rectangular |
09/24/2017, 06:19 AM | #3 |
Grizzled & Cynical
Join Date: Apr 2006
Location: Stamford, CT
Posts: 17,319
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There's more flow than you think. Should be ok unless the overflow drains down when the pump is off.
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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 |
09/24/2017, 06:37 AM | #4 | |
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Join Date: Apr 2008
Location: Grove City, Ohio
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Quote:
^^^This^^^ It'll be just fine there as long as it stays wet.
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I'll try to be nice if you try to be smarter! I can't help that I grow older, but you can't make me grow up! Current Tank Info: 120 mixed reef with 40b sump, RO 150 skimmer, AI Sol Blue x 2, and a 60g Frag Tank with 100g rubbermaid sump. 2 x Kessil A360w lights, BM curve 5 skimmer |
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09/25/2017, 06:42 AM | #5 | |
HMFIC
Join Date: Apr 2017
Location: Eastern NC
Posts: 331
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09/25/2017, 08:17 AM | #6 |
Grizzled & Cynical
Join Date: Apr 2006
Location: Stamford, CT
Posts: 17,319
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My perspective on this is that putting a heater in the overflow is an aesthetic foul; however, if you must do it just be certain that the overflow cannot drain down while the heater still operates. At best, that will destroy the heater (unless you use one that has a dry shut off), at worst it could damage the tank. If it were me, I would buy multiple, shorter heaters that would fit in the sump.
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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 |
09/25/2017, 08:19 AM | #7 | |
Grizzled & Cynical
Join Date: Apr 2006
Location: Stamford, CT
Posts: 17,319
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Quote:
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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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09/25/2017, 08:24 AM | #8 |
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Join Date: Mar 2008
Location: sf bay area
Posts: 5,165
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would the heater be off if the ambient air temp is higher than the heater temp setting?
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09/25/2017, 11:33 AM | #9 | |
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Stuart Current Tank Info: 300G Caribbean biotype reef set up in 2003. |
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09/25/2017, 12:01 PM | #10 | |
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Join Date: Mar 2008
Location: sf bay area
Posts: 5,165
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But in case the water in the overflow completely drains, wouldn't the heater turn off if the ambient is higher than the setting? the heater does not know or care if it is under water or not when sensor takes the temp reading so perhaps if the house temp is set to say 78 and the heater set to 75, then it won't be a problem if overflow drains. Matt, I know the room where your tank is gets direct afternoon sun, do you have an idea what the room temp is in the winter. |
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