Grow light from Lowes? - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 08-12-2020, 09:24 PM Thread Starter
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Grow light from Lowes?

So I have two of the frameless aqueous cubes from Lowe’s and I’m working on a Walstad project... have one set up but not the second.,. On one I have had the NICREW planted+, love the 12” light but it’s close to surface and I’ll need another to cover the whole tank. I already have it 70% with a dimmer because it’s normally 60 par at 12”... my 6 gal cube is 12” deep.

So I got these grow lights at Lowe’s with the metal clip lamp hood and it’s a warmer color but I actually really like it (I’ll post pics of just nicrew, with the grow light, and just grow light).
Anyways I’m wondering if anyone has ever tried these for planted tanks, I can’t find any info online but they seem promising!

Thanks!
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post #2 of 7 (permalink) Old 08-13-2020, 01:45 AM
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Is it 60 par through water? As in, you tested it with a PAR machine? Or is that through the air? I believe that there is a huge difference as PAR gets a lot less as it goes through the water. As long as you like it and it grows plants, then it is absolutely fine. I would imagine, though that since it is made for plants grown in pots, it may not be that powerful when run through that much water. 10 inches isn't a ton, but, it will make a difference. The color spectrum looks right for growing plants, I would personally like a little bit more blue in it, but, that's just my personal preference. I guess from a theoretical standpoint, it should grow them just fine. I'll be curious to see how this all pans out in a month or so! Good luck!

I have always seen a ton of grow lights that are more in the red spectrum on Ebay and Amazon and kinda wondered the same thing, if they would work for my tank, but, never pulled the trigger on buying one. Lmk how it goes, please?
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post #3 of 7 (permalink) Old 08-13-2020, 02:53 AM Thread Starter
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Originally Posted by nickandjess2008 View Post
Is it 60 par through water? As in, you tested it with a PAR machine? Or is that through the air? I believe that there is a huge difference as PAR gets a lot less as it goes through the water. As long as you like it and it grows plants, then it is absolutely fine. I would imagine, though that since it is made for plants grown in pots, it may not be that powerful when run through that much water. 10 inches isn't a ton, but, it will make a difference. The color spectrum looks right for growing plants, I would personally like a little bit more blue in it, but, that's just my personal preference. I guess from a theoretical standpoint, it should grow them just fine. I'll be curious to see how this all pans out in a month or so! Good luck!

I have always seen a ton of grow lights that are more in the red spectrum on Ebay and Amazon and kinda wondered the same thing, if they would work for my tank, but, never pulled the trigger on buying one. Lmk how it goes, please?
The 60 par at 12” is the NICREW for aquariums!
The warmer bulb in the metal hood is the Lowe’s bulb!

But that’s good to know about it weaker in water...

I definitely will let you know! May try two of the Lowes bulbs on my other 6 gal cube, but this one is to supplement the NICREW light! Just to give the front plants and frogbit/duckweed in the front a little bump.
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post #4 of 7 (permalink) Old 08-13-2020, 11:48 AM
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PAR actually increases slightly through water than in air due to reflection from the glass when the tank is filled unless the water is cloudy. Most glow lights for terrestrial plants tend to be too warm for aquarium appearance but grow plants well.
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post #5 of 7 (permalink) Old 08-13-2020, 03:56 PM Thread Starter
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PAR actually increases slightly through water than in air due to reflection from the glass when the tank is filled unless the water is cloudy. Most glow lights for terrestrial plants tend to be too warm for aquarium appearance but grow plants well.
Ah thank you for that info!
I am probably going to do one tank with the cooler NICREW lights and one with the warmer Lowe’s bulbs and see how they feel 🙂
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post #6 of 7 (permalink) Old 08-15-2020, 12:56 AM
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Quote:
Originally Posted by Tiger15 View Post
PAR actually increases slightly through water than in air due to reflection from the glass when the tank is filled unless the water is cloudy. Most glow lights for terrestrial plants tend to be too warm for aquarium appearance but grow plants well.
I had no idea. I have seen others say that it gets weaker as it travels through water. Sorry to the OP for giving out misinformation, that my fault and sorry for that. Now i feel bad....

Although, when I see a PAR chart from a manufacturer they show that the PAR is less with the farther through the water it goes. Maybe I am misunderstanding that? Would you mind clearing that up for me?

Last edited by nickandjess2008; 08-15-2020 at 01:08 AM. Reason: edit
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post #7 of 7 (permalink) Old 08-15-2020, 10:32 AM
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Quote:
Originally Posted by nickandjess2008 View Post
I had no idea. I have seen others say that it gets weaker as it travels through water. Sorry to the OP for giving out misinformation, that my fault and sorry for that. Now i feel bad....

Although, when I see a PAR chart from a manufacturer they show that the PAR is less with the farther through the water it goes. Maybe I am misunderstanding that? Would you mind clearing that up for me?
Light always decreases with distance from the light source whether traveling through air or water. But a filled up glass tank reflects light from the sides, PAR decreases less in clear water than in air if the tank were empty.
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