Just want a few plants - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 26 Old 10-19-2010, 12:19 PM
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Originally Posted by redchigh View Post
If you wanted, you can probably get by only replacing one of the bulbs to 6500k.

This pink bulbs are for highlighting colors and simulating plant growth. They do appear dim, but it has more to do with our eyes than the bulb. (Human eye's sensitivity to light peaks in the green, and fades off toward red and blue.)

I agree to switch out one, but both would be a matter of preference only.
When I checked into lumens, I found the so-called "aquarium" tubes are about half the intensity of full spectrum. They not only appear dimmer, they are in terms of light output. Plus that (to me) terrible purplish hue.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re 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 #12 of 26 Old 10-19-2010, 12:37 PM
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That's the problem with lumens. They define 'percieved' brightness- how bright they appear to our eyes.


I was thinking that replacing one of the bulbs would overpower the pink bulb so it wasn't as noticable... I could be wrong.

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post #13 of 26 Old 10-19-2010, 12:43 PM
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Originally Posted by redchigh View Post
That's the problem with lumens. They define 'percieved' brightness- how bright they appear to our eyes.


I was thinking that replacing one of the bulbs would overpower the pink bulb so it wasn't as noticable... I could be wrong.
I had the lumens and lux numbers, lux is the intensity per square meter or something, going from my old memory here; anyway, the "plant" or "aquarium" tubes just don't cut it.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re 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 #14 of 26 Old 10-19-2010, 01:20 PM
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There's not really any good way to measure light...
Measuring lumens, as I said earlier, takes into account the sensitivity of the human eye.. If lumens itself isn't a true measure, then lux isn't any better, since they are both photometric units.

Lux is basically Lumens per square foot- (brings me into the square law, but won't get into.)


There was a group on facebook a while back trying to lobby the light manufacturers to use.

There are several Radiometric units of measurement, but the light companies only use one-
watts.

Irradiance is a good way to measure light intensity- it's measured in watts per square metre, W·m^2, but it becomes madly complicated when you're trying to add up water into the equation...

Regarless, that's probably how watts/gallon got started... It's just as flawed though.

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post #15 of 26 Old 10-22-2010, 05:05 PM Thread Starter
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OK..... I now have some plants!!!!!
I got some vals from Fishkid (Thanks )
I also got a few Banana plants and some White Ribbons (Dracaena Sanderiana)
I also got new tubes..... whitch I do not like
My tank was Very bright before and the Glofish and Neon Tetras looked awsome.
I will admit that the new light looks more natural.... but.... the tank lost its "pop" in my opinion.
I have 2 18" tubes and I am considdering putting one of the old bulbs back in.
I realy like the look of the live plants but am not sure they are worth giving up the look of the lighting.

Now for the question.... do plants do better in sand or gravle.
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post #16 of 26 Old 10-22-2010, 05:15 PM
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What kind of lighting did you have? What kind do you have now?

The white ribbon isn't fully aquatic... It will slowly die in your aquarium eventually... May live a month, may live a week, but it will eventually die.

You can keep an eye on it and just take it out then though.

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post #17 of 26 Old 10-22-2010, 05:25 PM Thread Starter
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I had 2 18" inch 15 watt tubes that said Aquarium, that came with the tank.
The new tubes are Philips" Plant & Aquarium" 15 watt 410 lumens.

Thanks for the info about the white ribbon LFS strikes again..... LOL
I may put it in the top of my Chi....or in with my Bamboo. Kind a bummer... I real liked it ion the tank.
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post #18 of 26 Old 10-22-2010, 05:30 PM
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Replace one or two of them with "daylight" 6500k bulbs- whatever will fit in your fixture.

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post #19 of 26 Old 10-22-2010, 08:53 PM
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I agree I tried the bulbs like you are talking about and I did not like them and the plants did not grow very good either. I took them back and got two daylight bulbs that are 6500K and it has the pop like you are talking about as well as the plants do well. Can you take the bulbs back that you have and get different ones?

Kindest Regards,
Amanda

Keeping fish its not a hobby it is a passion!

55 gallon, 44 gallon, one 20 gallon tank, three 10 gallon tanks, and a 2.5 gallon all with real plants.

I have MTS and there is no cure.

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post #20 of 26 Old 10-23-2010, 11:16 AM Thread Starter
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I am going to take these back to HD and check Lowe's.

I am kina amused by the fact that the Banana plants have moved to a completely different area from where I put them in yesterday. I didn't think there was anything in my tank that was big enough to move them, and they don't look damaged.
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