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Topic Review (Newest First)
11-22-2014 05:45 AM
glacious
Quote:
Originally Posted by Mxx View Post
Neutral white LED's in about the 4000K range would actually achieve the best look for a small tank such as this, and would provide a good balance of appearance versus plant growth, though neutral white can be a little harder to find than either cool or warm white.
Thanks! I was always afraid anything < 6500 would look too yellow. I think stock Edge LED's are ~ 7200 (from somewhere else on this forum) and I like the crisp white look balanced with the few blue LEDs. I might just look for a strip of white LEDs and put it into a black aluminum channel, directly on the glass. Still won't get the back wall of plants super bright, but that's the trade-off unless you want a light suspended off the glass or multiple rows of LEDs for front/back. Thanks again, time for more ebay searches!
11-21-2014 11:23 AM
Mxx If you look at the spectral graphs for cool white LED's, they have an output spike right in the blue range where plants can utilise that for photosynthesis. Warm white have a smaller spike within that range of blue, but it's nevertheless still a spike, and they have some red within the photosynthetic range as well. As such, LED's do provide plenty of PAR appropriate to achieve good plant growth.

If you are only worried about plant growth then there are plenty of blue and red or violet and red LED lights, with many sold as marijuana grow lights. But a tank would not look very good under those.

Neutral white LED's in about the 4000K range would actually achieve the best look for a small tank such as this, and would provide a good balance of appearance versus plant growth, though neutral white can be a little harder to find than either cool or warm white.

As disclosure, I'm somewhat an architectural lighting expert by profession, and am pleased to finally see that many of the products sold for residential use are finally becoming 2700K Very Warm White lights, with improved CRI (colour rendition).
11-21-2014 05:34 AM
glacious
Quote:
Originally Posted by Mxx View Post
I put 6500K on my tank and it was rubbish and everything looked completely washed out. An equal mix of warm white and cool white is fine though (6500K and 3000K). Coloured lights such as red and blue don't have enough depth to spread out in a small tank such as this, and it'll look like a disco. (Trust me, I tried that as well, but more just for fun).
The colored lights aren't necessarily for the look, it's to promote plant growth through specific wavelengths. It's why you see red/blue mixed in with the primarily white LEDs in high-end plant fixtures. Weather or not there is a huge advantage is something to be figure out.
11-21-2014 12:04 AM
Mxx
Quote:
Originally Posted by glacious View Post
yeah anywhere from 6000-7500 I've seen, just user preference there I suppose. Red/Blue LED's are also easy to find individually, just need to solder them into the strip with proper resistors. Not sure if the benefit is large enough to go through the trouble there though.
I put 6500K on my tank and it was rubbish and everything looked completely washed out. An equal mix of warm white and cool white is fine though (6500K and 3000K). Coloured lights such as red and blue don't have enough depth to spread out in a small tank such as this, and it'll look like a disco. (Trust me, I tried that as well, but more just for fun).
11-20-2014 06:27 PM
glacious
Quote:
Originally Posted by kman View Post
Usually people look for 6500k for planted tanks. Also readily available.
yeah anywhere from 6000-7500 I've seen, just user preference there I suppose. Red/Blue LED's are also easy to find individually, just need to solder them into the strip with proper resistors. Not sure if the benefit is large enough to go through the trouble there though.
11-20-2014 06:23 PM
kman
Quote:
Originally Posted by glacious View Post
Are the details of the light upgrade anywhere? I'm looking into doing a DIY light upgrade on the 6G using a black aluminum channel attached to the front of the top hood (flush on the glass). I'll add a strip of LEDs to it, just trying to figure out what LEDs to get (can get all white 7000k easily/cheaply, not sure if I need to get red/blue as well for those wavelengths).

Thanks!
Usually people look for 6500k for planted tanks. Also readily available.
11-20-2014 04:48 PM
shift I should have build pics kicking around. I'll do a little write up on what I did
11-20-2014 04:20 PM
glacious
Quote:
Originally Posted by shift View Post
Here is my diy lighting upgrade
Are the details of the light upgrade anywhere? I'm looking into doing a DIY light upgrade on the 6G using a black aluminum channel attached to the front of the top hood (flush on the glass). I'll add a strip of LEDs to it, just trying to figure out what LEDs to get (can get all white 7000k easily/cheaply, not sure if I need to get red/blue as well for those wavelengths).

Thanks!
11-17-2014 12:01 AM
shift Here is my diy lighting upgrade
11-16-2014 11:42 PM
JEiffel I have the 6 gallon Edge. How would I add lighting? Do I just set a lighting fixture on top of it?
2 affordable lighting fixtures I was looking at:
- Finnex Stingray Aquarium LED Light
- Marineland LED Aquarium Light, 11-Inch

Or would I have more luck just replacing the standard Fluval 6 gallon 21-LED to the Fluval 42-LED (the one that comes with the 12-gallon)?

My tank under standard Fluval 6-gallon lighting:

11-02-2014 10:48 PM
Mxx
Quote:
Originally Posted by kman View Post
Stock lighting? Barely adequate for low light plants. Stock measurements won't do you much good if you're changing it anyway. I would consider it to be pretty much nothing (or maybe 10-20 PAR at best, if I had to hazard a guess?), and add as much light as you think you'll need for whatever you intend to plant.
I'm to keep the stock lighting but to add to it with DIY LED's, so if I'm aiming for PAR 50 then I just wasn't sure how much I'd need to add to achieve that which is why I was hoping someone might have measured it.
10-31-2014 07:03 PM
Zuzu Fluval 15396 Edge Burnt Orange 6 Gallon Aquarium Set w/Halogen for $79.99 on Sellout.woot.com for 11 more hours.
10-17-2014 07:03 PM
kman
Quote:
Originally Posted by Mxx View Post
Has anyone measured the PAR at substrate level for the stock lighting of a 12 gallon edge?

(I had the 6 gallon version before but am upgrading to a 12 gallon version which I'm picking up tomorrow and looking forward to setting up once more. I heard that it's adequate for low light plants and intend to mod it, though I wasn't sure how much additional light I needed.
Stock lighting? Barely adequate for low light plants. Stock measurements won't do you much good if you're changing it anyway. I would consider it to be pretty much nothing (or maybe 10-20 PAR at best, if I had to hazard a guess?), and add as much light as you think you'll need for whatever you intend to plant.
10-17-2014 02:41 PM
Mxx Has anyone measured the PAR at substrate level for the stock lighting of a 12 gallon edge?

(I had the 6 gallon version before but am upgrading to a 12 gallon version which I'm picking up tomorrow and looking forward to setting up once more. I heard that it's adequate for low light plants and intend to mod it, though I wasn't sure how much additional light I needed.
09-30-2014 02:09 PM
sockfish So far, no changes that I can see with this lighting change [put up the 42LED 12gal light on my 6 gal]. Added a Sparkling Gourami and may take the Rasbora out, I don't think they have enough open space to swim!
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