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Amar

aquarium-->terrarium

27 posts in this topic

A friend of mine gave me his old aquarium, 100cm x 40cm x 40cm. Two fluorescent tubes 2 x 30 watts each. There are two fuses, but I busted one of them, took out the fuse and didn't put it back in carefully enough, and the plastic shattered. Oh well. I guess 2 x 30 watts is not enough anyway. Now, can one buy aquarium lids with the lights, as this one, with the lights fixed into it? And, for such a size, can anybody make a recommendation as to what sort of tubes I should use?

Thanks. :red33:

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Edited by Amar

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Now all you need is some plants to put in it, Amar!

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First I need some good lights!

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Hey Amar..thats a nice tank and it would be perfect as a terrarium...I would recommend T5 lighting 2 (50-60 watts) (10,000Kelvins super white)..Thats just my suggestion....

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Amar that is a really nice decent sized tank with stand you are very lucky you got given it, I reckon you can make that into a really nice terrarium and it will hold lots of plants keep us updated on it and post pics when you have finished it.

Sorry I Wouldn't know much about lighting something of this size, at a guess maybe something like Dex said some bright t8 or t5 tubes might do the job and if you have broken the old light unit new ones are available fairly cheap and you could just use the same lid you already got to fit the bulbs into.

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Thanks for the responses, watch this space. . .

:D

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The general consensus on here is that cool white (840), daylight (865) or a combination of both is sufficient for CP growth. Personally, I see better growth and colouration using Gro-Lux but I would appear to be in the minority. T5 tubes are more efficient than T8 and T5HO more efficient again. I would suggest that size tank would benefit from at least four tubes of a length approximately the same length as the tank, leaving room for the fittings and wires etc. I highly recommend fluorescent tube reflectors, most people don't bother with these, as they see them as an additional expense, but they can significantly increase the amount of light hitting the plants which in my opinion makes them a worthy investment.

Edited by mobile

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Thanks very much Carl, appreciate it!

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carl, what about the wattage?

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guess that question was unnecessary...the more wattage, the better, yes?

But how about the light-colour, you mentioned 840 or 865. How about 940 or 965? Or even light-colour 77?

http://www.osram.com/osram_com/Professiona...UORA/index.html

hmm, then there still are these...

http://www.nlites.co.uk/linear-fluorescent.htm

I already use the CFL-purple ones for my open set-up...

oh, I can't decide.. :shock:

Edited by Amar

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guess that question was unnecessary...the more wattage, the better, yes?

But how about the light-colour, you mentioned 840 or 865. How about 940 or 965? Or even light-colour 77?

http://www.osram.com/osram_com/Professiona...UORA/index.html

To a certain extent, you are unlikely to have too much wattage within the confines of a terrarium, using fluorescent lighting. 940 and 965 have a better colour rendering index (CRI) so your plants would look more 'natural' under them. I don't know is there would be increased benefit to the plants and I guess that this could only be determined by looking at the spectral distribution graph. If there is not much difference in price then I would be tempted to go for the 9xx series. I've never used colour 77 lamps but I believe these are also known as Osram Fluora, which is smilar to Gro-Lux. I've never seen them here in the UK.

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To a certain extent, you are unlikely to have too much wattage within the confines of a terrarium, using fluorescent lighting. 940 and 965 have a better colour rendering index (CRI) so your plants would look more 'natural' under them. I don't know is there would be increased benefit to the plants and I guess that this could only be determined by looking at the spectral distribution graph. If there is not much difference in price then I would be tempted to go for the 9xx series. I've never used colour 77 lamps but I believe these are also known as Osram Fluora, which is smilar to Gro-Lux. I've never seen them here in the UK.

pretty good chart, in german, but you get the point. gro-lux indeed seem to be the same as osram 77:

http://www.hereinspaziert.de/colors.htm

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Mhh..this is more difficult than I had expected. The lid I have for the terrarium I think I will have to discard, there are two 30W tubes in it, but as I said, only one will work.

Now, for those of you that have a terrarium, may I ask how you've fixed your lights/tubes to it?

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I found the easiest way if you not fussy about looks is to buy a piece of plexglass cut to fit and simply rest the lights on top of it. Works for fluorescents, envirolites, LEDs etc.

The most useful fluorescents I've found for growing plants are the arcadia original tropicals (gro-lux are similar), the light looks slightly purplish as the peaks are in the red and blue spectra exactly were you need them for plant growth.

Edited by manders

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cheers, looking into it at once.

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Now, for those of you that have a terrarium, may I ask how you've fixed your lights/tubes to it?

Not a terrarium, just a big box lined with tin foil, but I have some clips that attach to the aquarium lights I use. These can slide up or down the length of the light frame and attach to the ends of the tank (box, in my case) and so can fit on different tanks, as long as the tank is no longer than the lamps. I like this setup as I don't have a sheet of glass or perspex cutting down the light (luckily I don't have to bother with temperature or humidity control within).

Not sure if these would fit on a wide variety of light frames, but you might be able to jimmy something up.

Edited by numpty

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Looks like I'm lucky. A fellow from the German forum will sell his lighting set-up to me, for just 90€. Here's the link, he's posted some pictures as well. http://forum.carnivoren.org/index.php?/top...872#entry127872

There are four tubes, 2 x 840 and 2 x 865, all 39 watts, T5 tubes, 3100 lumen per tube.

Edited by Amar

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Give it a clean and get all that algae off the front

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done!

Have been doing some reading, about colour tempertures etc, I found this, a good explanation as to what Kelvin really is:

http://www.nlites.co.uk/photoponics.htm

Kelvin Scale - Not for measuring critical light for Plants

People talking about black body's and radiators ? What are they talking about? Usually they don't really know, and even more worrying , they never explain it properly.

Based upon the definitions of the Centigrade scale and the experimental evidence that absolute zero is -273.15°C, thus 373.15K is the same as 100°C. The Colour Temperature represents the colour that Carbon is when heated to that temperature. So when carbon is heated to 2000K it looks "red" hot. Carbon does not look green at any temperature, if it did, it's what we would call "white Hot". So remembering that Kelvin is used to measure an 'overall' colour, it's ok as a guide only, to differentiate between PURple and Green, Kelvin is useless.

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hello Amar,

concerning your question about the watts,

when buying flourescent tubes, t8 or t5, the watts are proportional to the lenth of the tube, so the problem settles itself.

As a matter of fact, I have a terrarium almost exactly the same size as yours, and I am happily using t5 tubes. I have been using t8, but t5 is definitely better.

best is, however, a growlux, envirolite, or sodium-vapor lamp (natriumdampflampe)

well, good luck with your terrarium, I wish you good luck :tu::thanks:

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Thanks! Am now waiting for the lamp from Günter, from the German forum. Are you a member there too?

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Sooo, here it is, for now. Had to cut a hole in the aquarium lid and placed the lamp on top of it. No active ventilation yet, parts of the aquarium lid can be removed though, perhaps that may be enough...I'll see. :)

terrarium.jpg

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Well, now that I have this, I better make use of it. :biggrin:

Apart from the Queensland Drosera (of which I have none anymore...) and Nepenthes, which other Drosera enjoy high humidity?

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Sooo, here it is, for now. Had to cut a hole in the aquarium lid and placed the lamp on top of it. No active ventilation yet, parts of the aquarium lid can be removed though, perhaps that may be enough...I'll see. :)

terrarium.jpg

Wow!!! Very Cool Set Up Amar.... :biggrin:

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Daytime temp: 30°C

Nighttime temp: 20°C

Humidity (day): 84%

Humidity (night): 95%

The aquarium has removable parts, two short ones, one long one, have now removed the two short ones and will see how it effects the humidity and heat..

Edited by Amar

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