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Hoppy Hoppy is offline

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Showing Visitor Messages 1 to 10 of 172
  1. Hoppy
    07-14-2014 01:37 AM
    Hoppy
    I don't know anything about the LED lights sold there. One advantage of using Finnex LED lights is that they provide very good data on how much PAR each of their lights produces. See http://www.plantedtank.net/forums/sh...d.php?t=189944 for example.
  2. eddyk
    07-13-2014 05:31 PM
    eddyk
    Hi Hoppy,

    I have looked at your lighting info. Nice work. However, I have a few questions.

    Sorry to bother, but nobody elsewhere can answer my questions.

    Ok,

    What are your thoughts on this light?

    http://www.ebay.com/itm/LED-Pent-72-...item43ca5528ab

    I am building a 125g planted community. I wanted to go higher tech.

    Thanks in advance,

    Ed

    I
  3. ucrdave
    06-14-2014 10:39 AM
    ucrdave
    Hi hoppy, I moved up here to norcal. hope to find some community up here. I live in Stockton
  4. Hoppy
    05-19-2014 03:33 AM
    Hoppy
    You probably have around 60 PAR, which is medium to high light. That is plenty for growing almost anything, and pressurized CO2 is essential for avoiding algae problems.
  5. grammaknits02
    05-19-2014 02:52 AM
    grammaknits02
    Hoppy...I just recently set up a planted 36 gallon bowfront tank. I am running a 36" dual lamp T5ho Aquatic Life fixture on it. I'm running the 36" because the 30" only uses 24" bulbs. I have it sitting on top of the tank with the included legs. Is this enough lighting for my tank? I am also running pressurized CO2. I am just wanting to make sure this is enough light to reach all areas of the tank as I have dwarf pennywort that I am wanting to carpet the tank with. Thanks in advance for your advice!
  6. Hoppy
    05-15-2014 10:22 PM
    Hoppy
    Blindriver, I am making PAR meters differently now. See http://www.plantedtank.net/forums/sh...d.php?t=615762 The best filter combination I have found for this purpose is Roscolux #4307, #3410, and #38. I haven't yet shipped one to Canada because of the very high postage rate, and the paperwork required, but I may do so in the future. Right now I have stopped making them while my wife and I sell our house and find another place to live, then move there. I suspect that will take up to 3 months. I do plan to resume making them after that.

    I have not been able to design a PAR meter that I can make and have it read correctly without lots of adjusting. There are just too many variables involved. All of those I have made I adjusted to match the readings of a Apogee Quantum par meter.
  7. Blindriver
    05-15-2014 08:29 PM
    Blindriver
    Hello Hoppy:

    I would like to say what a great write up you did on how to build a par meter. I have a 250 gallon salt water tank with live coral and have been trying for awhile to find out exactly what the light out put from my bulbs is. and compare I run three 250 watt 14000K double ended Phoenix metal halogen bulbs for lighting. I have read your article and obtained the VTB8441BH diode that you talked about. I have also got the Cinegel samples that you mentioned. Towards the end of your post it appears that you choose only to use the 4815 Rosco filter. Is this correct? I am going to attempt to build one of your devices following the directions you supplied. Also do you know what number diffusers you used is this a trial and error thing? (As per the question below if required could I purchase a Par meter from you and if so how much would it cost? I also live in Canada.
  8. Hoppy
    03-31-2014 01:12 AM
    Hoppy
    I haven't shipped any PAR meters to Canada, but I suppose I could figure out how to handle that. It does require that I visit the Post Office each time I do that, and pay whatever they decide to charge me, plus filling out lots of paperwork.
  9. Hoppy
    03-31-2014 01:11 AM
    Hoppy
    I'm not making any PAR meters now, instead I am trying a new technique for making the sensors, see http://www.plantedtank.net/forums/sh...=453225&page=3 If that works out I will probably resume making them. You can use a Lux meter, as long as you keep it out of the water. Just divide the lux by 78 to get a fairly good estimate of PAR.
  10. hitmanx
    03-31-2014 12:59 AM
    hitmanx
    So are you still selling your meters? What's the cost? And do you ship to canada? Are there similar alternative? Lux meters maybe?

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    Hoppy

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