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Questions - Need some input

I have questions that need answers.

  1. Return pump woes

    I'm not usually one to complain about noise, but noise associated with vibration gets on my nerves. I have this Iwaki MD-20RT pump that I bought years about, probably in 2006. I never used the pump, and before this weekend never ran it more than a few minutes. It's rated for high head, and seems to run cool enough, but there is significant vibration coming off of the unit. It's driving me nuts! I can feel the vibration on the ground NEXT to the stand though the carpet.

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  2. Heaters

    Hi all. Been following Melev since his early days.

    I am reconstructing a smallish reef tank, around 50 gal including sump. I'm planning on including a controller for this iteration of my tank, and am stuck on the type/brand of heater to include. Maybe I'm getting ahead of myself, but I would like to order one soon. In my last iteration of this tank, prior to the rebuild, I had a heater that I'm not sure ever came on. The pumps and lighting kept it quite warm. This new design is using ...