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Hoppy Hoppy is offline

Planted Tank Guru

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Showing Visitor Messages 101 to 110 of 165
  1. Kevyg
    01-25-2012 07:18 PM
    Kevyg
    Hey this is in regards to the thread "Taking it serious with a 55gal."

    I am so sorry to bother you with private message but i feel as if my thread will get lost in the mix, You said one t5 bulb with a good reflector and true HO ballast will be sufficient for my standard 55gal. (it was a rectangular aqueon kit), were you referring to a 4' t5 HO or 2' t5 HO? thank you very much for your time, i am just starting out and desperately need sage advice. There is a lot of information out there and it is a daunting task to weed through it.
  2. Hoppy
    01-09-2012 04:29 PM
    Hoppy
    I don't recall seeing a one bulb Catalina light fixture, but I suspect they would make one if someone wanted it. They make most, if not all of their lights to order, so customizing isn''t a big deal for them. The "solar" lights are the ones I have seen data for, so those are the ones I always refer to when I mention Catalina lights.

    A 20L tank is so low, with the substrate only 10 inches or so below the top, that a T5HO light will always be too much light unless it is raised a foot or so above the top of the tank. Regular T8 lights would be a better choice for that tank.
  3. Tacct
    01-09-2012 04:20 AM
    Tacct
    Hoppy, I see you promote the Catalina Aquarium lights for their reflectors and was wondering if there was a specific type as I see they have single bulb "planted aquarium" fixtures and standard 2+ bulb fixtures. (They look like different reflectors so was wondering which type you tend to reference, currently need a light for a 20 long)
  4. Hoppy
    01-02-2012 05:06 PM
    Hoppy
    You could get a custom Catalina Aquarium 2 x 24 inch T5HO, made with a 10 inch wide housing, with the bulbs 7.5 inches apart. That light, sitting on top of the tank should give you about 60 micromols of PAR which would be medium to high light. When you get tired of battling algae you could raise it to 9 inches above the top of the tank and you should get about 40 micromols, which is a very good low medium level.
  5. bigduke45123
    01-02-2012 01:26 PM
    bigduke45123
    Hi Hoppy I have a 29 gallon tank that I really want to make it into a med to high light tank. It is 30" long and 18" deep.
  6. Hoppy
    01-01-2012 02:34 AM
    Hoppy
    CO2 wont mess anything up unless you have high light and fluctuating CO2 levels. I think you will have about 30-35 micromols of PAR with no water in the tank or from about 35-40 micromols with water in the tank. (Water concentrates light and allows reflections from the glass to increase the PAR)
  7. WVDiscGolfer
    12-31-2011 07:39 PM
    WVDiscGolfer
    Hey Hoppy,
    A couple weeks ago on my thread you posted a link to a chart showing the PAR's for CFL bulbs and noted that a PAR of 35 or below would keep me from worrying about CO2. At that time I was planning on using 14W bulbs but I ended up buying 19W bulbs. The bottoms of the round clamp light reflectors are about 17 inches from the substrate and the bulbs themselves are probably about 19. From the chart it appears this puts me at a PAR of about 35 but I thought I'd ask you to be certain. Also, I was thinking of adding a little DIY CO2 every now in then, will this mess anything up?

    Thanks!
  8. Doc7
    11-06-2011 10:29 PM
    Doc7
    In case anyone reads the conversation I have with Hoppy below - these Coralife T5NO fixtures are growing plants real fast! It's not super bright and growth is a little leggy, but I have almost 0 algae (8 amano shrimp is the only kind of "algae crew" in there at this time and the only place algae exists is on the glass...plants wood are CLEAN) - I hung them 1" above tank.

    Thanks Hoppy! Don't think I would enjoy trying to keep up with T5HO Growth at this time, maybe in the future, near or far, but this is great lighting for my first foray into planted tanks!
  9. IxIBluepitIxI
    09-08-2011 02:52 PM
    IxIBluepitIxI
    Hey just wanted to stop by and say thank you for all your great research and postings.:>
  10. Hoppy
    07-10-2011 04:09 AM
    Hoppy
    If you raise the light above the top of the tank, a 24 inch long light is all you need - the light spreads out to cover the whole tank.

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    Hoppy

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