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Hello!

TL;DR what is the best light for a 120 gallon planted tank. Mid light

I am setting up a 120 gallon display tank, 48 inches long, 24 inches tall, 24 inches front to back. It will be a planted discus display tank in my living room. I’m wanting to shoot for mid light, might do co2 in the future.

I’m unsure of what lighting to go for. It is my display tank so I don’t necessarily want to do LED shop lights, but if they’ll do the job well I’d compromise for the price.

I’ve heard mixed things about the fluval 3.0 being able to penetrate that deep (I would plan on running 2, maybe 3 in the future if I decided I wanted more)

I love the look of the kessil lighting. I believe I would need 2 of the freshwater a360we. I love the shimmer. I’ve heard great things about them but they’re pretty expensive, not sure if they’re worth that much and if 2 of them would be enough. This would be my first choice if they were around $200 not $300.

AI Prime freshwater LED. Basically the Kissel but not as great from what I’ve seen. Definitely like the look of them still but not quite as clean looking as the Kissel. Significantly cheaper so that’s a plus. Again not sure if 2 is enough or if I need 3 or more.

Open to current USA, but the internet doesn’t seem to like them.

Nicrew and finnex stingray not really on my radar. They won’t be enough to light the tank.

Any and all suggestions appreciated!
 

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A four foot 4 or 6 bulb Hydroponic T5ho fits your tank perfectly. They are cheap, you have lots of bulb choices to adjust color to your liking, and they grow plants better than any led. Buy one with two plugs controlling 2 bulbs each for a nice ramp up and down.

Sent from my SM-A205U using Tapatalk
 

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A four foot 4 or 6 bulb Hydroponic T5ho fits your tank perfectly. They are cheap, you have lots of bulb choices to adjust color to your liking, and they grow plants better than any led. Buy one with two plugs controlling 2 bulbs each for a nice ramp up and down.

Sent from my SM-A205U using Tapatalk
100w "ramp" isn't much a ramp..
And "better than any LED" is bs..


Currently best thing is splitting hairs..
Keep in mind that a 4 tube t5 unit is what 216W. 6 tubes is 324w
If you want to compare growth best use 156 or 234 real watts of LEDs..
4 AI primes over a 4ft tank would do it.

Now t5's are cheaper ..most of the time.
Super Budget Options
Chinese black boxes are a nick name for cheap, high powered grow lights mean for indoor farming that you can buy online (usually made/shipped from China). These sometimes come in a more neutral spectrum (white/orange mixed with red/blue LEDs or RGB), though more often they come in just red/blue diodes. These grow plants well and give great bang for the buck. However, finding one that is not just pink, giving an overly purple visual rendition, may be difficult.
Below is Mark Crow's planted tank under twin BML LEDs. Finding a good spectrum selection can take effort though. Examples such as these fully dispel the notion that "LEDs can't grow aquarium plants" or that "LEDs can't grow red aquarium plants well".
1027636
 
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