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T5 Lighting VS. LED

Mike Hughes

Mike Hughes

Member
Joined
21 Feb 2014
Messages
33
Location
London
Hi guys.

Recently moved from marines to planted tanks. I know most do it the other way around!!

Anyway,

I have some LED's that have worked a treat on my reef system, but now putting it on my planted tank looks ridiculous!! :crazy: :thumbdown:

I have just purchased one of these....probably should have spent a bit more pennies. But hopefully this will do for now...
T5 Aquarium Fish Tank Overhead Lighting Two Tube System All Pond Solutions Light | eBay

It comes with 2 x 38watt bulbs. One rated White - 10,000k, the other a "Growth Lux" (no idea what that does)

My tank is 3 foot long, 18inch high and 12 inch deep. Not massive by any means, but a nice manageable size :)

How would this lighting system fair with a Iwagumi style planted tank. Only really wanting to have a nice carpet, and one or two stem plants towards the back.
-CO2 is injected using 2kg FE.


Many thanks in advance.
 
Should be great for your tank :thumbup:. The colour of the bulbs makes no difference to plants, it's just about personal taste as to what you prefer.

The white 10000k bulb gives nice crisp effect and accentuates greens to my eyes, while the "growth lux" bulb is a red/pink coloured tube like the Arcadia Original Tropical or Sylvania Grolux, it accentuates reds and is meant to be better for plant growth hence the "growth" part in its name (although this is just marketing and means nothing in practice).

They are an excellent combo for a planted tank IMO.

Those are good light units too, I've been using the 4' version of that All Pond Soultions twin T5 luminaire for nearly 2 years now on a clients tank with no issues :).
 
Brilliant.
That's what I wanted to hear :)

The LEDs I have do look ridiculous on the plants. Only running a 4-5 hour photo period as algae just takes off. If its on any longer.

In terms of light level at the substrate level, will it be fine for carpeting plants? Currently have Eleocharis acicularis, wanted to go Eleocharis Parvula mini, but couldn't get my hands on any at the time!!

Also, will it be sufficient for some red leaf plants... Sorry, you must excuse the "amateur" naming lol.

The only thing I know are koi and "kind of" marines.. This planted lark is all new to me! :D
 
Mike Hughes said:
In terms of light level at the substrate level, will it be fine for carpeting plants? Currently have Eleocharis acicularis
Click to expand...
Eleocharis acicularis and other carpet plants do not really care about having lots of light. They care about having high CO2. That probably explains why you are having algae taking off.

Cheers,
 
Light at the substrate level will be fine for carpeting plants, provided you keep trimming up to stop the stem plants from shading too much. Some prefer higher light than others but they will just grow slower, if you want a fast carpet effect, you might be interested the dry start method :).
10x the tanks volume in lph of flow
The biggest issue for carpeting plants is usually seems to be getting high CO2 at the substrate level, so CO2 and distribution (flow) should be a focus here. Keeping up trimming of the stem plants to stop flow being reduced and aiming for 10x the tanks volume in lph of flow is a good start :thumbup:.

Also, red plants will be fine too!
 
ceg4048 said:
Eleocharis acicularis and other carpet plants do not really care about having lots of light. They care about having high CO2. That probably explains why you are having algae taking off.

Cheers,
Click to expand...

Yep, thats why I have cut the photo period down to not much at all! :) Good to know, they do not require tonnes of light.


three-fingers,
The tank is 120 litres, give or take. I run a fluval 405, with the spraybar running along the back of the tank. Shooting towards the front glass. Is that a high enough turnover rate ?
I did go for a lily pipe jobby to start off with, but the flow was like a whirlpool and the fish managed to move! Feel I get much better flow/distribution around the tank with the spray bar rather than the lily pipe. Plus fish are fine.

Thanks for the info chaps. They'll be more questions to come I'm sure!!
 
Mike Hughes said:
The tank is 120 litres, give or take. I run a fluval 405, with the spraybar running along the back of the tank. Shooting towards the front glass. Is that a high enough turnover rate ?
I did go for a lily pipe jobby to start off with, but the flow was like a whirlpool and the fish managed to move! Feel I get much better flow/distribution around the tank with the spray bar rather than the lily pipe. Plus fish are fine.
Click to expand...
For a 120 litre tank you would be looking at 1200lph turnover or more if your going by the 10x guideline. The Fluval 405 uses a pump rated at 1300lph, but you will lose a lot of this due to media in the filter, gunk in the pipes, pumping up a height etc., so really its probably only ~800lph.

You especially want a good flow around the carpeting plants so I would add a powerhead or specialised circulation pump/wavemaker to the lower region of the tank. A Hydor Koralia 1600, Newave 1.6, Tunze Nanostream 6015 or similar type and size of pump would be ideal, but any pump you have lying around would do :).
 
Okay :) will try get a powerhead. And situate it to point down on the base of the tank. What kind of flow should I be looking at. Don't want a big jobby. Did have one on the marine tank but that will definitely be too powerful..!! Something discreet. Will have a search.
 
Mike Hughes said:
What kind of flow should I be looking at. .
Click to expand...

Minimum additional flow would be something like a standard 400lph powerhead, but the bigger the better, more margin for error when plants start to grow and obstructing flow. Proper circulation pumps like those used on marine tanks are much better, its unlikely it would be too powerful IMO unless your keeping slow moving fish like angels or Betta spp.. If you find it is too much just aim it at a rock, the glass or something :). If you have one lying around, definitely try that out first!
 
Right, that was a bit too powerful lol. Sand on the bottom started flying all over the tank!! Cardinals were swimming like salmon going upstream lol. I was expecting some to jump and get caught by a bear haha.

Will look for a smaller one....
 
Its rated at 12000 litres, not too sure on brand. Had it for a year or two now. Yeah, tried it in a few different places.
Tried it as you say, but there was so much water agitation, sounded like the niagra falls.
 
12000lph! That's a big wavemaker lol, I take it you previously used that on a marine tank larger than 120l? The NeWave 1600 is excellent, I use some of them too :).


Sent from my iPhone using Tapatalk
 
Will go for a newave one then. Like the idea of being able to change the flow.
Not too sure now whether the glass lily pipe or spraybar would give me better distribution... not keen on the look of the spraybar I must say!
 
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