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04/20/2019, 07:41 PM
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#1 |
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Registered Member
Join Date: Aug 2002
Location: Bucyrus,Ohio
Posts: 2,311
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Help with mp40
Hi all
I got two mp40s off a fellow reefer.i am having problems with one.when i try to attach the wet side to the dry side it bounces all over i cant let go of it or it will fall to the bottom of the tank. I have tried moving it all over with no luck they will not stay together and run My tank is 1/2 acrylic he only had the thinnest spacer with them Any help would be great as i was excited to get these but one is no use right now they are the older white controllers Thank ron
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have you been touched by a angel? My life was for ever changed when my daughter was born my wife and I have come to a new understanding! I don`t ask and she doesn`t have to say no anymore Current Tank Info: 300 gallon main tank,70 Gallon sump,70 gallon remote sump, reef octopus 300- 12 inch skimmer, skimz Biopellet reactor |
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04/20/2019, 08:50 PM
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#2 |
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Grizzled & Cynical
 Join Date: Apr 2006
Location: Stamford, CT
Posts: 17,319
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The old style MP40s have a rubber sleeve on the dryside. Make sure its set for 1/2” walls. If so, take the wetside apart to make sure it’s not broken. Most non QD M40s would need s new wet side by now.
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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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04/21/2019, 02:07 AM
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#3 |
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Registered Member
Join Date: Nov 2012
Posts: 14
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Make sure the wet side is put together properly.
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04/23/2019, 07:23 AM
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#4 |
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Registered Member
Join Date: Feb 2003
Location: Fairfield, CT
Posts: 1,516
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If the wetside’s prop doesn't spin freely, it could be the sign of a cracked and swollen magnet. Take it apart and check the underside of the magnet checking for any cracks in the plastic case. This will cause the wetside to decouple from the dryside when it tries to spin the prop.
I literally just had this exact thing happen to one of my MP40QDs. 
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- Leon (aka - Water Dog) Deep Blue 57 Edge ATI Acro Garden Build Thread http://www.reefcentral.com/forums/showthread.php?p=25573384#post25573384 Current Tank Info: DeepBlue 57 Edge |
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04/23/2019, 08:21 PM
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#5 |
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Registered Member
Join Date: Aug 2002
Location: Bucyrus,Ohio
Posts: 2,311
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I took it apart and found the bushing was in the wrong spot after watching a video...thanks all
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have you been touched by a angel? My life was for ever changed when my daughter was born my wife and I have come to a new understanding! I don`t ask and she doesn`t have to say no anymore Current Tank Info: 300 gallon main tank,70 Gallon sump,70 gallon remote sump, reef octopus 300- 12 inch skimmer, skimz Biopellet reactor |
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