Recent content by jdrmd

  1. J

    Plenum with water return below the sand

    The return system has a small surface return which will stop the siphon in the event of a power outage. I was wondering if anyone had tried this before. I can change the return system fairly easily. I don't know about a closed loop system. Could you elaborate? Thanks John
  2. J

    Plenum with water return below the sand

    I bought a 135 gal tank recently and all the plumbing was already setup. The bottom has eggcrate wrapped in screen covering the bottom. The eggcrate is elevated above the bottom about 1 cm by plastic and pvc(the guy did a really nice job setting it up). The water return is directed below the...
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