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  1. markc212

    An Odyssea review

    Great thread. I was thinking about buying the Odyssea 48" 216W (4x 54W) T5 HO Light Fixture. It's got 4 t5's and 4 LED moonlights. I called customer service and they stated that there are no fans built into the unit. Given that this isn't MH, should I be worried about the heat output...
  2. markc212

    Gross Black Blob

    I think TeresaQ and Spanko got it right. I've concluded that this is an Elephant Sea Slug (aka Scutus), which is actually a strange snail. It's body wraps back around to cover most of its flat shell, giving it the appearance of a tiny shell or no shell at all. Bizarre! When I googled images...
  3. markc212

    WATER QUESTION PLEASE ADVISE

    In terms of RO/DI units, is there consensus regarding what makes a unit good or bad? I've been reading through past posts, and it sounds like the combination of RO and DI makes a lot of sense. Price seems to range anywhere from $150 to $400. Besides throughput, what else should I be looking...
  4. markc212

    Gross Black Blob

    New hobbyist here, so any help on IDing this thing would be a massive help. Just tonight after a few weeks of a relatively smoothly-running FOWLR tank, my wife came across this. It's a pitch-black flat blob with 2 antennae on what could be the front. It moves fairly slowly like a snail and is...
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