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Best Lighting System



 
 
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  #1  
Old October 21st 09, 03:15 PM posted to rec.aquaria.freshwater.plants
Larry B
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Posts: 1
Default Best Lighting System

I have a 46 gallon Oceanic bowfront freshwater community tank
populated with a few real plants and am considering the purchase of
replacement lamps or a new lighting system.

I currently have a 36" Coralife fixture with one T5 10,000K, 21 watt
lamp and one Actinic Bluelight, 21 watt lamp.

I would appreciate your recommendations regarding light systems,
lamps, ...
  #2  
Old October 21st 09, 05:16 PM posted to rec.aquaria.freshwater.plants
Rodney Pont[_2_]
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Posts: 11
Default Best Lighting System

On Wed, 21 Oct 2009 07:15:43 -0700 (PDT), Larry B wrote:

I have a 46 gallon Oceanic bowfront freshwater community tank
populated with a few real plants and am considering the purchase of
replacement lamps or a new lighting system.

I currently have a 36" Coralife fixture with one T5 10,000K, 21 watt
lamp and one Actinic Bluelight, 21 watt lamp.

I would appreciate your recommendations regarding light systems,
lamps, ...


I've got a 1.2m tank and have installed an Arcadia Twin 54W Electronic
Ballast:
http://www.arcadia-uk.info/product.p...n=en&sub=&id=4

I've used two J5 Plant Pro lamps at 54W/42 inches:
http://www.arcadia-uk.info/product.p...n=en&sub=&id=4

The J5 ones are shorter than standard T5 lamps but have the same power
and light output. They fit into the hood of my Fluval aquarium reaching
almost to the ends.

They are much brighter than the original T8s supplied and the colours
are also much better as is plant growth. The electronic ballast is a
nice piece of kit and doesn't even get warm so it's very efficient. I
also fitted an Arcadia reflector to each tube.

You need to make sure you can fit the tubes into your hood though and
you need somewhere to bolt the tube clips to. There is about(at least?)
six feet of cable for each tube holder so it's very flexible to fit.

--
Regards - Rodney Pont
The from address exists but is mostly dumped,
please send any emails to the address below
e-mail ngpsm4 (at) infohitsystems (dot) ltd (dot) uk


  #3  
Old October 22nd 09, 03:04 AM posted to rec.aquaria.freshwater.plants
Cam in Toronto
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Posts: 1
Default Best Lighting System

On Oct 21, 10:15*am, Larry B wrote:
I have a 46 gallon Oceanic bowfront freshwater community tank
populated with a few real plants and am considering the purchase of
replacement lamps or a new lighting system.

I currently have a 36" Coralife fixture with one T5 10,000K, 21 watt
lamp and one Actinic Bluelight, 21 watt lamp.

I would appreciate your recommendations regarding light systems,
lamps, ...


The old rule of thumb is to use at least 3 watts per gallon when using
flourescents.

Cam
  #4  
Old October 23rd 09, 08:37 PM posted to rec.aquaria.freshwater.plants
Richard Sexton
external usenet poster
 
Posts: 135
Default Best Lighting System

In article ,
Cam in Toronto wrote:
On Oct 21, 10:15*am, Larry B wrote:
I have a 46 gallon Oceanic bowfront freshwater community tank
populated with a few real plants and am considering the purchase of
replacement lamps or a new lighting system.

I currently have a 36" Coralife fixture with one T5 10,000K, 21 watt
lamp and one Actinic Bluelight, 21 watt lamp.

I would appreciate your recommendations regarding light systems,
lamps, ...


The old rule of thumb is to use at least 3 watts per gallon when using
flourescents.


But rules, like thumbs, get broken. 3wpg is great if you're growing
certain kids of plants but you can get by with (a lot, sometimes)
less if you're growing plants ahtat are tolerant to low light
levels - Crypts, anubias, ferns etc.

Lose the actinic, it does no good in freshwater whatsoever. Replace it
with a regular bulb and you've made the first real improvement.

Cheap warm white tubes are fine BTW. They're as good if not better
that any pricey tube.

--
Need Mercedes parts? http://parts.mbz.org
Richard Sexton | Mercedes stuff: http://mbz.org
1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net
633CSi 250SE/C 300SD | http://aquaria.net http://killi.net
  #5  
Old October 23rd 09, 09:49 PM posted to rec.aquaria.freshwater.plants
Rodney Pont[_2_]
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Posts: 11
Default Best Lighting System

On Fri, 23 Oct 2009 19:37:12 +0000 (UTC), Richard Sexton wrote:

I currently have a 36" Coralife fixture with one T5 10,000K, 21 watt
lamp and one Actinic Bluelight, 21 watt lamp.


snip

Lose the actinic, it does no good in freshwater whatsoever. Replace it
with a regular bulb and you've made the first real improvement.


Not strictly true to be honest. Photosynthesis does use the blue end of
the spectrum as well as the yellow and red end. It's green that isn't
really needed, after all most plants reflect it :-)

There is a nice primer on photosynthesis he
http://www.emc.maricopa.edu/faculty/...BioBookPS.html

and a couple of graphs show the absorbtion, about a third of the way
down.

The OP has really got marine lighting and would be best to dump both of
them for freshwater and plants.

--
Regards - Rodney Pont
The from address exists but is mostly dumped,
please send any emails to the address below
e-mail ngpsm4 (at) infohitsystems (dot) ltd (dot) uk


  #6  
Old December 10th 09, 02:25 AM posted to rec.aquaria.freshwater.plants
Richard Sexton
external usenet poster
 
Posts: 135
Default Best Lighting System

In article ohitsystems.ltd.uk,
Rodney Pont wrote:
On Fri, 23 Oct 2009 19:37:12 +0000 (UTC), Richard Sexton wrote:
Lose the actinic, it does no good in freshwater whatsoever. Replace it
with a regular bulb and you've made the first real improvement.


Not strictly true to be honest. Photosynthesis does use the blue end of
the spectrum as well as the yellow and red end. It's green that isn't
really needed, after all most plants reflect it :-)


Well, yeah, and in theory it's true. In practice, any other bulb besides
that one and the plants would grow better though.

The OP has really got marine lighting and would be best to dump both of
them for freshwater and plants.


Ayup.

--
Need Mercedes parts? http://parts.mbz.org
Richard Sexton | Mercedes stuff: http://mbz.org
1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net
633CSi 250SE/C 300SD | http://aquaria.net http://killi.net
  #7  
Old December 10th 09, 09:46 AM posted to rec.aquaria.freshwater.plants
Rodney Pont[_2_]
external usenet poster
 
Posts: 11
Default Best Lighting System

On Thu, 10 Dec 2009 01:25:21 +0000 (UTC), Richard Sexton wrote:

Lose the actinic, it does no good in freshwater whatsoever. Replace it
with a regular bulb and you've made the first real improvement.


Not strictly true to be honest. Photosynthesis does use the blue end of
the spectrum as well as the yellow and red end. It's green that isn't
really needed, after all most plants reflect it :-)


Well, yeah, and in theory it's true. In practice, any other bulb besides
that one and the plants would grow better though.


Unless the other bulb was red/yellow in which case the actinic would be
needed to provide the blue :-)

I'm only replying because there is very little traffic in this group.
We both agree the OP would be far better off starting again with plant
friendly lighting.

Did the OP ever come back and say what they have done?

The OP has really got marine lighting and would be best to dump both of
them for freshwater and plants.


Ayup.


--
Regards - Rodney Pont
The from address exists but is mostly dumped,
please send any emails to the address below
e-mail ngpsm4 (at) infohitsystems (dot) ltd (dot) uk


  #8  
Old January 24th 10, 12:53 AM posted to rec.aquaria.freshwater.plants
Richard Sexton
external usenet poster
 
Posts: 135
Default Best Lighting System

In article ohitsystems.ltd.uk,
Rodney Pont wrote:
On Thu, 10 Dec 2009 01:25:21 +0000 (UTC), Richard Sexton wrote:
Unless the other bulb was red/yellow in which case the actinic would be
needed to provide the blue :-)


It's not a blue pant can easily utilize though. A 7500K bulb is what
you'd want here.

I'm only replying because there is very little traffic in this group.
We both agree the OP would be far better off starting again with plant
friendly lighting.

Did the OP ever come back and say what they have done?


Not yet.

--
Need Mercedes parts? http://parts.mbz.org
Richard Sexton | Mercedes stuff: http://mbz.org
1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net
633CSi 250SE/C 300SD | http://aquaria.net http://killi.net
  #9  
Old April 27th 11, 06:33 PM
chrissstrauss chrissstrauss is offline
Junior Member
 
First recorded activity by FishkeepingBanter: Apr 2011
Posts: 4
Default

In addition to maintaining water quality, a key aspect in the establishment of a freshwater aquarium is a good lighting system. We humans, it is important for your pet fish, crabs and other underwater species have sufficient lighting.
 




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