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Recent content by jimk0157

  1. protein skimmer adjustment too sensitive

    This skimmer is about 8 months old so it should be broken in by now. I wonder if I added a gate valve to the intake if that would help.

  2. protein skimmer adjustment too sensitive

    I'm using a Coralife 220 needlewheel skimmer on my 90 gal (in the sump) and I can't seem to get it adjusted right. The slightest adjustment to the output valve can be the difference between no foam and the cup filling in seconds. Even when I do manage to get it adjusted just right after a...

  3. Metal Halide Shimmer Lines -- Do they bother some people?

    Is was thinking more along the lines of daylight FL bulbs... Or a mix of daylight and actinic. Jim

  4. Metal Halide Shimmer Lines -- Do they bother some people?

    Seems to me that: MH = shimmer lines FL = no shimmer lines (or much less intense at least) 50%MH + 50%FL = 50% shimmer line intensity Right? Jim

  5. Metal Halide Shimmer Lines -- Do they bother some people?

    Thanks for all the replies. I think I'll go with MHs but with a good amount of FL wattage to balance. Jim

  6. Metal Halide Shimmer Lines -- Do they bother some people?

    I'm getting ready to buy lights for my new 90g tank. Has anyone that's used MH been bothered by the shimmering or strobing effect? I'm sensitive (kind of makes me queasy) to things like strobe lights and computer monitors with low refresh rates. I'm not sure what it is but my brain/eyes seem...

  7. Single lamp Metal Halide hood design for std. 75 gal tank

    I'm putting together a 75 gal reef system (trying to be frugal) and was wondering if anyone has built a 48" hood with only one metal halide bulb to save cash. It seems to me that since the cost for 175 watt and 400 watt bulbs, ballasts, etc. are about the same, that you could simply have one...
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