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I have a 36g bowfront aquarium equipped w/ CO2 and and a 30in Finnex Planted+ ALC light.

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I just need some advice on whether my problems are related to lighting. I'm getting fast growth but my plants are not growing bushy but rather spindly. I am hesitant to put more plants in because I am not sure what I am doing wrong.

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As you can see the long spindly plant behind the Ludwigia is supposed to be Elodea and it barely has leaves. Even the Ludwigia is sparse just a bit.20210818_171341.jpg.8cb56668c545f569dc6dd4090e2118e1.jpg

Cabomba is growing long and spindly too.

I even have monte carlo and dwarf hair grass, unpictured, that is growing, but slower than I feel it should.

Basically in everyone's best estimate, do you think its a lighting issue? I understand this is a tall tank and strong lighting is necessary. Also if you agree its lighting do you think the Fluval plant 3.0 would give me the par needed in this tall tank?

 

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On 8/19/2021 at 10:20 AM, Tankseeker said:

Is it a new set up? If you bought plants that where grown emersed they will die off before growing leaves to adapt to growing submerged 

No. I am certain I have very few if any stems from my original set. Almost all have been propogated from new growth in that tank.

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Haha, my wife and I were just talking about this over breakfast, but in relation to some houseplants. 
I think you’re on the right track and it sounds like you know what the problem is. You have a tall tank and medium lighting. It might be hard to achieve the nice compact growth you’re looking for, but a Fluval 3.0 will help. I might even clip and plant some of those leggy stems so the new growth with the Fluval is more compact. 

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On 8/19/2021 at 11:10 AM, Patrick_G said:

Haha, my wife and I were just talking about this over breakfast, but in relation to some houseplants. 
I think you’re on the right track and it sounds like you know what the problem is. You have a tall tank and medium lighting. It might be hard to achieve the nice compact growth you’re looking for, but a Fluval 3.0 will help. I might even clip and plant some of those leggy stems so the new growth with the Fluval is more compact. 

Do you think adding a second finnex will be enough to get the intensity needed? Or just replace current light w/ Fluval 3.0?

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On 8/19/2021 at 8:46 AM, SheWhoConquers said:

Do you think adding a second finnex will be enough to get the intensity needed? Or just replace current light w/ Fluval 3.0?

I was in the same situation with my budget light on my 75 gal. I decided to get a second budget light because I found some data that indicated the par was double in the area where the two lights overlapped. 

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