FWIW I have 5 electrical lines going to my tank.
I have two return pumps, they are each on a separate line, if something blows one line, I still have circulation in the tank.
My CL pump is on yet another line, same reasoning.
My Halides are on another line, I don't like the surge in power they take when they start-up. I know they start up one at a time, but what happens if the power goes out? then when the power comes back on they all start at once.
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