Joseph9123 Posted February 7, 2011 Share Posted February 7, 2011 I starting taking off everything and plugging each pump and to find out at the end it was the mag 7 in the sump!!!! So replacing the propeller fix the issue right??? Or do i have to just toss it? Quote Link to comment Share on other sites More sharing options...
Myvirtue Posted February 7, 2011 Share Posted February 7, 2011 i could be wrong. but i dont think the propellar would have anything to do with it shocking you. I would check the cord to see if theres any exposed wiring. Quote Link to comment Share on other sites More sharing options...
Michael Rodriguez Posted February 7, 2011 Share Posted February 7, 2011 I don't think the impeller is going to be your problem. There are however few common reasons pumps leak stray electricity. There are a few things you can look out for: -Any swelling cracks on the pump body whether it is on the inside where the magnet goes, or the outside. -you can pull the back cover off where the electrical cord goes into and evaluate in there. -Look for separation from the cord to the epoxy filler they fill the pump with. (again on the pump body) If you do have any of this, check for calcium buildup on the impeller, or the inside of the pump where the impeller seats. Hope this helps! -Mike Quote Link to comment Share on other sites More sharing options...
Michael Rodriguez Posted February 7, 2011 Share Posted February 7, 2011 Also, if you are going to get a new pump, I hear great things about Eheim pumps. If you want to eliminate a pump causing stray electricity completely, go with an external pump as the motor and wetside are insulated from each other and are two separate parts. Quote Link to comment Share on other sites More sharing options...
jestep Posted February 7, 2011 Share Posted February 7, 2011 What was the voltage reading in the tank? Most likely it needs replaced. Quote Link to comment Share on other sites More sharing options...
Joseph9123 Posted February 7, 2011 Author Share Posted February 7, 2011 everything looks fine, I have a mag 9.5 in the garage I'm heading to RCA to get the fittings. Thanks everyone. Quote Link to comment Share on other sites More sharing options...
medi Posted February 7, 2011 Share Posted February 7, 2011 This is another good reason to have a grounding plug in your tank. It will pull any stray electricity out of te water and also could keep you from getting shocked. Best part is, unlike everything else in this hobby, there cheap. Quote Link to comment Share on other sites More sharing options...
Joseph9123 Posted February 7, 2011 Author Share Posted February 7, 2011 where do you get those? Quote Link to comment Share on other sites More sharing options...
Michael Rodriguez Posted February 7, 2011 Share Posted February 7, 2011 I would say grounding probes are a great idea. The only thing you need to be careful about is if your light has stray electricity and you bump into it while your hand is in the water, you will ground yourself. The same thing will happen if you touch anything else that has stray electricity. Quote Link to comment Share on other sites More sharing options...
medi Posted February 7, 2011 Share Posted February 7, 2011 I know RCA and Aquatek both sell them. I think they were around $10-$15. Quote Link to comment Share on other sites More sharing options...
jestep Posted February 7, 2011 Share Posted February 7, 2011 The problem with a grounding probe is that it will save you but kill your coral and fish. Without a path to ground, there is no current moving through the tank in the case of a full-short or even just induced voltage which happens with submersible pumps naturally. Once you add a grounding probe, current flows through anything in its path including livestock. I suggest buying a $10 voltage meter and test the water for shorts once per month. While I think it's most important to be safe and a grounding probe will protect a person from being shocked, I wouldn't risk using one with expensive livestock when you can just periodically test the water. One could argue that a probe + GFCI outlet will prevent current from moving through the tank. If there's a short, the GFCI should trip. But if it's a weak short, you may not get enough current to trip the GFCI, but still enough to kill livestock. Quote Link to comment Share on other sites More sharing options...
medi Posted February 8, 2011 Share Posted February 8, 2011 I've been running a grounding probe for over a year and have never noticed any detrimental effects to any of my livestock. Everything is fat and happy. Quote Link to comment Share on other sites More sharing options...
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