Do all plants need special lighting? - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 35 Old 02-18-2010, 07:12 PM Thread Starter
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okay i will post what is written on the bulb as soon as i get the chance.

im not sure wht you consider to be large gravel but mine is a mix of gravel about the size of a pea and much smaller and fine gravel. would that be okay? i can take a picture and post it so that you hav a better idea of what im talking about if you need me to

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post #12 of 35 Old 02-18-2010, 08:07 PM
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Quote:
Originally Posted by crazy4fish View Post
okay i will post what is written on the bulb as soon as i get the chance.

im not sure wht you consider to be large gravel but mine is a mix of gravel about the size of a pea and much smaller and fine gravel. would that be okay? i can take a picture and post it so that you hav a better idea of what im talking about if you need me to
Your gravel sounds like it will work well. The "smaller than a pea" is the good part, both for rooting the plants and allowing a good bacteria-rich substrate. B.

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Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If youíre going to take it under your wing then youíre responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #13 of 35 Old 02-18-2010, 08:55 PM
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I second that on the gravel - It will work.

Very worst case if you don't find no writings on that bulb at all (it may be a used old tank that had this bulb forever so you wouldn't see it any more) take it with you to the store (for size comparison) go to Walmart, Lowes, Home Depot whatever you have close by you.
Look for bulbs your size by Selvina, Phillips, GE, Bright effects (I always buy GE). Ideally you wanna get one labeled as "Daylight" or "Ultimate Daylight" these are also 6500 kelvin if you look at the fine print. For a 29g tank any wattage from 15 to MAX 25w (don't get too high watts that will fry your plants) will do if you have a standard florescent tube T8. With that set up then you can grow anything.
I recently bought the smaller GEs which would be the same size I'm assuming then what you need for your 29g and I wanna say it was $5-6 something like that, so not a complete budget breaker.

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post #14 of 35 Old 02-18-2010, 09:09 PM Thread Starter
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thanks Angel! thts very helpful now i know what wattage to look for. but what makes a daylight bulb different from others? and the light i have came with the tank when i bought it. but it was all brand new. but that was 7 years ago. when i turn the light out for the night i will let it cool and see if i can see any writing.

I dream of a better tomorrow, where chickens can cross the road and not have their motives questioned.....Dont worry about what people think, because they seldom do.......If you cant laugh at yourself I'll be glad to do it for you.....stop trying to impress people, they're too busy trying to impress everyone else to notice
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post #15 of 35 Old 02-18-2010, 09:16 PM
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In that case...just buy as I described above and toss the one you have now. Ideally light (for planted tanks) are to be exchanged about +/- each year.
The difference of lights is that some are higher in red's and yellow's and some are higher in blues. Like if you look at your avg ceiling lamp in the house it seems like yellow light right?! When you look at a avg florescent tube in a restroom its more "cold" blueish.

Plants, in order to thrive, need something that copy's natural daylight as close as possible which is between 5-6500K (6500kelvin ideal).

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post #16 of 35 Old 02-18-2010, 09:39 PM Thread Starter
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ohhhh okay i get it and i will deffinitely just buy a new light since they arent too expensive....ohh wait! i just remembered, the light isnt as old as the tank because we had to replace it one time when the original died... but it was probably over a year ago anyway, so i will still stick to the plan of buying a new one =)

I dream of a better tomorrow, where chickens can cross the road and not have their motives questioned.....Dont worry about what people think, because they seldom do.......If you cant laugh at yourself I'll be glad to do it for you.....stop trying to impress people, they're too busy trying to impress everyone else to notice
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post #17 of 35 Old 02-19-2010, 08:37 AM
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Like I said if you go to any home store or Walmart you can find the GE's very inexpensive or the other named brand for that matter; just make sure to get the right size, the listed details are printed on the labels and you're all set (on the GEs you have a very clear print of all info on the side of the pack's and their daylights are in a white&blue colored box).

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post #18 of 35 Old 02-19-2010, 09:24 AM Thread Starter
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is it better to get daylight or ultimate daylight?

and i looked at the bulb this morning but i have no clue what these letters and numbers mean
on the bulb itself it said "F20-T12-BP" does anyone know what that means?

and on the battery next to the bulb it said 4...22W i figured W mean watts but why is it 4...22 instead of just one number? and im not sure if these numbers mean anything important but the battery also said 974C and FS-22

any help interpreting these would be greatly appreciated

I dream of a better tomorrow, where chickens can cross the road and not have their motives questioned.....Dont worry about what people think, because they seldom do.......If you cant laugh at yourself I'll be glad to do it for you.....stop trying to impress people, they're too busy trying to impress everyone else to notice
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post #19 of 35 Old 02-19-2010, 09:54 AM
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Those numbers you see depending on the light are simply model numbers go on the website of whatever make that the light is for ex. GE, Sylvania,etc. and on search type in those numbers sometimes on their website they give you more information about the particular light you are looking into. There most likely will be the Kelvin and maybe even a graph with the lumens output for that light in question.
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post #20 of 35 Old 02-19-2010, 10:28 AM
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T12 is the size probably. 20F might mean 20W. If you can't figure out how to find it online...

Mine says F20T12 and I think it means Flourescent 20 Watts, T12 as in the diameter... not sure what that measurement is but is it about 1.25 inches thick? I can't figure out what the BP probably means.

Not sure if the "battery" is the ballast or the fixture that holds the light. If so 22W is probably the highest recommended wattage light you put inside there. 'Course you can put a bit more than that but it could be risky.

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Last edited by Austin; 02-19-2010 at 10:31 AM.
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