JayH's latest activity

  • This is not actually true. Oxygen exchange at the surface is the primary way of getting oxygen into the water of most aquariums, but it...
  • JayH replied to the thread Red Sea nano HOB.
    Your sponge filter is almost certainly driven by air. The principle here is that air bubbles rising in a constrained column of water...
  • JayH replied to the thread GPH of Sponge Filter.
    The photo of the stacked coarse/fine sponges makes me wonder if anyone has tried hollowing out a coarse sponge and putting a fine sponge...
  • JayH replied to the thread Red Sea nano HOB.
    Even with a very small filter like that I'd try to use layers of filter media -- coarse sponge, medium sponge, then filter floss. If you...
  • JayH replied to the thread GPH of Sponge Filter.
    Swiss Tropicals has some sponge filters that, if you check the details on the JetLifters, do specify a GPH, though it's still going to...
  • JayH replied to the thread Best adhesive to use.
    GE #1 Silicone sealant if you want to go with silicone. Be sure to get the clear. It also comes in white and the packages look very much...
  • JayH replied to the thread Aquaclear30 questions.
    I think a lot of people buy sponge filters and slip the sponge over the filter intake. These already have holes through the center where...
  • JayH replied to the thread Aquaclear30 questions.
    The micro pores on the bio media can get clogged and they'll become much less effective if that happens. If you put filter foam after...
  • JayH replied to the thread Is this enough biomedia?.
    Bit of an old and somewhat tired topic, but I've never been clear on exactly what product is being referred to as "pot scrubbies". There...
  • JayH replied to the thread Cinderblock tank rack?.
    To be clear, the issue is NOT the use of 2x4s. You can use 2x4s to build a very strong and perfectly good stand, if they are used...
  • JayH replied to the thread Cinderblock tank rack?.
    I understand that you said 4x4s, but a 4x4 is the same as two 2x4s sandwiched together. I found some online references that seem a bit...
  • JayH replied to the thread Cinderblock tank rack?.
    At the risk of stating the intuitively obvious, glass is not wood. The support structure for the bottom of the tank is also different...
  • JayH replied to the thread Cinderblock tank rack?.
    I'm not sure I'd trust the numbers from that article. I've read in several places that a 8' 2x4 will safely support 800 pounds...




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