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Hoppy Hoppy is online now

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Showing Visitor Messages 131 to 140 of 174
  1. amberskye
    06-17-2011 01:41 AM
    ..passing through ...
  2. amberskye
    06-03-2011 12:37 AM
    have you any photos of your planted tanks?
  3. Hoppy
    05-30-2011 10:03 PM
    Near the point where the fish are unhappy, not at that point. The lower the light level, the more leeway you have for having less than maximum CO2.
  4. amberskye
    05-30-2011 09:29 PM
    hope u dont mind me jumping in...but carpeting plants need CO2 to the point where fish are unhappy? oh my. No I cant do that, so goodbye carpet.
  5. Hoppy
    05-11-2011 04:11 AM
    PAR meters measure the actual available light, usable by the plants, where ever they are used. If you have 50 mms of PAR, it doesn't matter where it came from or how it got there, it is still 50 mms of PAR, equally good for plants.

    Carpeting plants need CO2 much more than they need high light. You need to get the CO2 ppm in the water up near the point where the fish are very unhappy, then even with low light you can grow carpeting plants.
  6. Doc7
    05-11-2011 03:28 AM
    I plan on raising it. I may even get the TEK 4 bulb fixture - that way, no matter what I do in my future, I don't need to worry about purchasing an additional fixture (could do a reef tank with this fixture). I will also be able to utilize the front and back bulb placement for the widest light spread over the tank. I will be hanging the light so I can do any distance above the tank necessary.

    Can a light be too bright when directly above tank, but when PAR is reduced by raising it a foot more-or-less, the light quality is diffused such that it is no longer good for plant growth particularly carpeting?

    I guess part of what I am asking is all PAR equal and thus you can't have a light that is "too bright" when close and "not good enough" when suspended higher from tank, at least when talking about Hagen GLO and the TEK fixtures?

    sorry i ask really winded questions...
  7. Hoppy
    05-10-2011 04:59 PM
    The Hagen GLO fixture looks pretty good to me - at least it is wide enough for light from the back of the bulbs to get around the bulb to the tank. You could raise that 2 bulb fixture as much as a foot and still get good light, but with much better uniformity. It is going to be more light than is easy to manage, if you don't raise it to at least 6-8 inches above the top of the tank. Having good CO2 allows you to raise it even higher, and still get good healthy growing plants.
  8. Doc7
    05-10-2011 07:14 AM
    I come to you one more time..

    Now I am considering going back to unplanted with the 20 gallon tank (long story, none of it bad, but mostly to do with sig other and her plans for the tank) and upgrading by replacing it in the living room with a 40 gallon breeder. I have a thread active in the lighting forum again and i was looking for your input, on a 40 breeder which is VERY wide (16 inches?) is a single 2xT5HO fixture by Hagen GLO good enough for lighting? I will figure out a way to suspend it probably through bent conduit tubing (ceiling fixtures won't fly) - I know that 2 T5HO gives high light but I am just concerned about the spread throughout the tank. Are you familiar with this brand and their reflector? If I am better served spending my money on a different fixture (Tek 4 x 39W, 2 bulbs only?) that will provide better spread or quality of light than I can save up...

    My pressurized CO2 is a shipment of fittings away from being ready, minus the reactor/diffuser!

    Thank you
  9. amberskye
    04-25-2011 12:07 AM
    thanks for all your help.....but im not finished with you yet
    Seriously, I appreciate your advice and am now off to investigate that crude method of
  10. Doc7
    04-21-2011 11:41 AM
    Thank you again!

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    Sacramento, CA
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