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stray current

  1. General Reef Discussion
    So i have been having problems with my Nano cube that I bought used. I have had several fish die at separate times for no reason. I have gone through everything with the LFS and my local reef club. Come to find out my tank had 47 volts of current that showed up when I tested it. So, I tested...
  2. General Reef Discussion
    I am going to order a ground probe. Does it matter what brand I order? Is there anything specific I need to look for in a ground probe?