What is causing my plants to grow slowly? - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 01-06-2016, 08:55 PM Thread Starter
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What is causing my plants to grow slowly?

-Lights 6 hours (Marineland LED Strip Light) 5 inches away from plants
-Pressurized CO2
-Dose Seachem Iron, Potassium, and occasionally micros
- Nitrogen from fish waste
- My plants use to grow significantly faster, I can't remember what I did that dramatically reduced their growth.
- I don't think it is a nutrient deficiency because all new growth is very healthy and the old leaves are healthy as well.
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post #2 of 4 (permalink) Old 01-06-2016, 09:52 PM
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What is causing my plants to grow slowly?

My guess is the light, It's not really a plant led light? unless its the marineland aquatic plant
led light?



what size tank? how far is the light from the substrate?

55 Gallon MBuna Cichlid tank
20 Gallon Long Crypt Tank
5 Gallon Shrimp Tank
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post #3 of 4 (permalink) Old 01-07-2016, 07:23 PM Thread Starter
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Quote:
Originally Posted by screamble View Post
My guess is the light, It's not really a plant led light? unless its the marineland aquatic plant
led light?



what size tank? how far is the light from the substrate?
Its a 9 gallon tank, light 6 inches away. No, its not a plant specific LED. I mean whats the difference besides the higher wattage use? Since watts don't matter because of PAR now, I don't want to buy a plant LED
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post #4 of 4 (permalink) Old 01-07-2016, 08:16 PM
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I have one of the marineland led kit lights on my 5 gallon which i believe is the same as you have. I can barely grow moss with it. Not sure why but i truly think the light sucks. I stand behind marineland. I have a Aquatic plant led on my 20 gal long high tech its an amazing light. I also have a Reef light on my 55 cichlid tank which is also amazing. But the little light i have on my 5 gal doesn't do much.

Maybe you can find a CFL light or just a Desktop light with a desent bulb in it. Run that for awhile and see if anything improves.

55 Gallon MBuna Cichlid tank
20 Gallon Long Crypt Tank
5 Gallon Shrimp Tank
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