LED lights for a 20g long planted w/ no CO2 suggestions plz
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Old 07-29-2014, 01:04 AM   #1
jonstreets
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LED lights for a 20g long planted w/ no CO2 suggestions plz


I am looking for a LED for my 20g long planted with no co2. Its only 12" high so im having trouble finding a quality LED fixture for it. any suggestions?
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Old 07-29-2014, 01:05 AM   #2
Brian_Cali77
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Current Satellite LED+
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Old 07-29-2014, 01:15 AM   #3
brooksie321
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If you're looking for low tech I would too recommend the sat +.. a finnex if you're looking for a more demanding tank..
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Old 07-29-2014, 01:41 AM   #4
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A Marineland double bright 24 inch long light would give you around 30PAR which is ideal for a low light/low tech tank. A Finnex Fugeray would give around 45 PAR, which is too much for a low light tank.
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Old 07-29-2014, 03:26 AM   #5
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Previous posts are good advice.

I have a Finnex planted plus 36inch on my 20L and it's suspended WAY above the tank. See journal...

You can either get a brighter light and suspend or sit a lower par light right on the tank.
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Old 07-29-2014, 10:58 AM   #6
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The sat + is dimmable and highly customizable for a nice price. . Could be a good fit without having to lift it off the tank..
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Old 07-30-2014, 12:00 PM   #7
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PAR38 LEDs are about as cheap as you can go if you don't mind a little DIY. Less than $30 for your tank size.
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Old 07-30-2014, 12:13 PM   #8
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I use a Finnex Fuge Ray 30" on my 20 long.
Brand new off ebay- $77.00
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Old 07-30-2014, 03:44 PM   #9
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Daveydude, what plants are you able to grow with that setup? I recently bought the same fixture but am waiting for the shipment to arrive.
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Old 08-20-2014, 11:19 AM   #10
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Java Fern, Anubias, Red Tiger Lilly, Amazon swords. All the easy stuff
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Old 08-20-2014, 11:27 AM   #11
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I would go.with a finnex planted plus and suspend it. As the tank fills in and you have it established you can start dropping it slowly to increase growth and accomadate for the heavier growth that can block light. Give you more options this way. If you go to low then you have no room to push things.further later.
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Old 08-26-2014, 10:26 AM   #12
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I just use cheap ones I bought off eBay, my plants are as healthy as anyone else's.
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Old Yesterday, 07:13 AM   #13
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I would get a Finnex LED fixture, and raise it. If you ever want to grow more demanding plants, you can just lower the fixture.
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Old Yesterday, 07:00 PM   #14
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Quote:
Originally Posted by kidgrave View Post
I would get a Finnex LED fixture, and raise it. If you ever want to grow more demanding plants, you can just lower the fixture.
It is a lot more complicated than that. If you want to grow more demanding plants you will presumably have to have more light, so lowering the fixture does that. But, more light also means more nutrients need to be supplied, and more algae is very likely, unless you also add CO2 in appropriate concentration. But, the fish may not be able to live with that much CO2 unless you also increase the amount of dissolved oxygen in the water. And, all of that may still not be adequate for avoiding excess algae, unless you also ramp up your tank maintenance, so no dead plant material ever accumulates, so no growing plant parts remain in the tank, and the filter is kept clean, and water changed at a rate that prevents any build-up of organic materials dissolved in the water.

I made the decision to eliminate any consideration of more demanding plants, because of all of that, so I don't need to have a light that I can get more intensity from.
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Old Today, 05:08 AM   #15
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Hoppy, the Fugeray fixture doesn't put up a large amount of par, and with the right balance of co2 and nutrients, it should be fairly easy to keep algae under control, along with algae eaters like amano shrimp and oto catfish. I get 45 par in the bottom of my substrate with a finnex fixture. I dose pps pro, and excel, and so far no algae problems. The key to avoid big algae issues is consistency and balance. I have two high light tanks, and never get algae.
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