I have a titanium grounding probe in the sump that covers any leaks.
Problem is that I've heard of people loosing tanks with GFI. Esentially if you have a faulty pump or a heater and there is a small electrical leak the GFI protected circut would cut off electricity. What do you do if this happens in the AM and you wont see that your tank is dying when you are at work?
I have a small pump that I do water changes with, It works 90% of the time but sometimes the impeler gets stuck and it triggers my GFI in the kitchen. I for one wouldnt want my tank to go completely off if one of these little powerheads was to malfunction.
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