The Planted Tank Forum - View Profile: Hoppy

Hoppy Hoppy is offline

Planted Tank Guru

  Visitor Messages

Showing Visitor Messages 81 to 90 of 193
  1. mmorales
    03-14-2013 12:46 PM - permalink
    mmorales
    Ok, thanks Hoppy! I had asked a question on the San Antonio Aquatic Plant club Facebook page, regarding how much extra light I need to plan for if I want to suspend an LED fixture over my 20L instead of having it rest on the tank. Some have said that the fixture may produce too much light for such a shallow tank, so I may raise it up a few inches, and thought I would see if there is any formula for how much the light diminishes per inch raised. If you know of any article on that topic, please send me a link; but otherwise, thanks and have a great week! Neat drawer slide apparatus, by the way.
  2. Hoppy
    03-13-2013 07:48 PM - permalink
    Hoppy
    mmorales, I'm not sure what post you are referring to. My last post on the subject was about using drawer slides to suspend the light. It is here: http://www.plantedtank.net/forums/sh...119&highlight= This is how my light is now suspended, and it is working great.
  3. Hoppy
    03-13-2013 07:46 PM - permalink
    Hoppy
    spidangular, that is a very interesting idea, but I think I will leave it to some one with a better sense of comedy to do it.
  4. mmorales
    03-13-2013 06:10 PM - permalink
    mmorales
    Hi Hoppy; someone recommended that I read your post about suspending lighting over a planted tank, but I can't seem to find your previous post on that topic. Any chance you can give me a link? I'm trying to study up for my first planted tank (just a 20L). Thanks so much!
  5. spidangular
    03-13-2013 02:08 PM - permalink
    spidangular
    I had an idea for a fish parody, but I'm not skilled enough do it right, so
    I invite you to take over. We do things to encourage fish to spawn and reproduce, as if we really know what turns them on. Make a guide that a superior species would come up with if they were trying to get their pet humans to mate and raise their young in captivity.... 'Provide many suitable males, who will complete.. removing all but the one that was selected. .. mating usually occurs at night. .. allow the parents to raise their young. ..' there are a lot of little details that could be added ad far as setting the mood, feeding before lights out,etc. Please message me if you ever take this on. Thanks
  6. Hoppy
    01-07-2013 03:50 AM - permalink
    Hoppy
    If you use some thin aluminum sheet metal, like roof flashing material, and make a reflector which has a cross section like \_/, with the bulb in the middle, so you can see a good reflection of the whole bulb on each side of the actual bulb, you get double the PAR from the bulb compared to having no reflector. Really good, well designed, highly polished reflectors can give about 3 times the PAR of a bare bulb, so the simple reflector made this way is pretty good. I don't think a circular shaped "trough" reflector would work nearly as well.
  7. spidangular
    12-16-2012 01:19 AM - permalink
    spidangular
    I found what looks to be a cheap DIY way to light my 20 gallon longs with what I hope to be medium to high light. It involves placing XYZ bulbs in the top of a metal duct shaped into a semicircle. see link below. I can't find any specific info on the reflectivity of that shape or how to determine how far from the apex of the circle to place the bulb for optimum light dispersion. Thinking about it, it seems like a parabolic shape would be better, as well as a reflective triangular shape running the length of the duct the width of the bulb to prevent strikeback. I know there are a more factors than you probably care to address individually, but if you know of an application or website to point me in the right direction, it would be appreciated. Or you could build the reflector yourself, test it with your par meter and give me the specs. juuust kiddingg... kinda. :-) any feedback is appreciated. thank you.
    http://www.youtube.com/watch?v=Xy5fzPlsXK0
  8. Hoppy
    11-29-2012 04:20 PM - permalink
    Hoppy
    I don't recall ever seeing 40 watt screw-in CFL bulbs. If I had seen them, and they were 6500K bulbs, I would have bought one to play around with. One problem: the dome type reflectors from Home Depot aren't big enough for a bulb much bigger than 26 watt, and even those extend beyond the rim of the reflectors. This makes it harder to use the bigger bulbs, unless they are also the miniature type.
  9. Requality
    11-29-2012 05:03 AM - permalink
    Requality
    Hey there! I had a question about 40 watt CFLs and why they aren't used? I haven't been able to find anyone using them and was wondering if there was a certain reason?
  10. Hoppy
    11-16-2012 06:17 PM - permalink
    Hoppy
    When T5HO bulbs are used in good quality reflectors, their light usually doesn't extend for a great distance to either side. So, 4 individual bulbs, if separated by 6 inches or so, may not give you excessively high light. Otherwise, you definitely need lots of CO2.

  About Me

  • About Hoppy
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    Sacramento, CA
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    Hoppy

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  • Last Activity: Yesterday 07:33 PM
  • Join Date: 12-23-2005
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  Mentions

10-30-2015
02:04 AM - Audionut mentioned Hoppy in post Wrapping my head around KH and co2. Led light questions! Look!
... Minor correction Hoppy. That would be Bica...
10-16-2015
12:39 AM - Audionut mentioned Hoppy in post CO2, pH, and dKH question
...is observation from Hoppy. The last paragraph...
10-03-2015
01:32 AM - burr740 mentioned Hoppy in post Lighting an Aquarium with PAR instead of Watts
...hat one was made by Hoppy (thanks again man, i...

  Quotes

02-12-2016
03:21 AM - Hoppy quoted klibs in post Fert Dosing for Low Tech tank?
Just dose like 1/4 EI and ...
02-10-2016
10:41 PM - Hoppy quoted shift in post Dosing = algae!!!
Hmm I use pressurized co2...
02:10 AM - Audionut quoted Hoppy in post Unit of Measurement for GH and KH
For sure you can't reasona...
02-09-2016
11:56 PM - RWaters quoted Hoppy in post
08:25 PM - Hoppy quoted CLBeerbower in post BG Algae, Good parameters, looking for fedback
Thanks. I was dosing 4mL twice ...
08:25 PM - Termato quoted Hoppy in post High nutrients promote algae growth and are toxic to aquatic life
"Too much" CO2 promotes al...
03:52 PM - skyjacker07 quoted Hoppy in post Par help would be appreciated
I would rate that as high ...
02:47 AM - Hoppy quoted PortalMasteryRy in post
01:42 AM - Hoppy quoted mike-guy in post Ro/di to eliminate variables?
I'm not sure that I enjoy doi...
02-08-2016
11:21 AM - 58417 quoted Hoppy in post
04:48 AM - Hoppy quoted Solcielo lawrencia in post High nutrients promote algae growth and are toxic to aquatic life
To further add to the EI method and why...
02-07-2016
08:19 PM - Hoppy quoted 58417 in post
03:56 AM - 58417 quoted Hoppy in post
02:30 AM - Audionut quoted Hoppy in post
02:14 AM - Hoppy quoted Audionut in post
02-06-2016
10:26 PM - Manami quoted Hoppy in post How much daily dose of excel do I need for a 2.6g and 5g tank?
I would dose at 2 ml per 1...
04:39 PM - Hoppy quoted The Coffee in post seachem excel dosing schedule
Missing a day here and there wi...
04:35 AM - Hoppy quoted Cyattexas in post High PH problems need help!!
So I knows in a pool system yo...
02-05-2016
09:04 PM - isonychia quoted Hoppy in post Can low light for algae control affect plant health and promote algae
... nutrients. Thanks Hoppy. I am at a "do noth...
04:36 PM - Hoppy quoted mistergreen in post CO2 sensor
Some good ideas. I only have yea...

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