very slow plant growth
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Old 04-19-2013, 11:17 PM   #1
du3ce
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very slow plant growth


so my tank has been set up for 2 months now and im experiencing very slow plant growth. My substrate consist of floramax and flourite, I have 2 beamswork led light strip not sure how many par its putting out. plants are low light not anything special. I dose with flourish and osmote root tabs, any suggestions?
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Old 04-19-2013, 11:24 PM   #2
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If you want faster growth, you will need to up your light as that drives everything. However blindly upping the light is a bad idea. You really should borrow a PAR meter if possible. Or at least estimate. Regardless, if you up the light, you need CO2. CO2 will speed up growth as plants will no longer be limited by not having it. Or rather very little.
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Old 04-19-2013, 11:28 PM   #3
du3ce
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how about leaving the lights on longer theyre on 1 hour in the morning and about 7 hours in the afternoon thru night
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Old 04-19-2013, 11:30 PM   #4
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Quote:
Originally Posted by du3ce View Post
how about leaving the lights on longer theyre on 1 hour in the morning and about 7 hours in the afternoon thru night
Plants do not photosynthesize all day long. Once they stop, you are just growing algae. 8 hours is a good amount, i would stick to that.
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Old 04-20-2013, 04:57 AM   #5
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Quote:
Originally Posted by puopg View Post
Plants do not photosynthesize all day long. Once they stop, you are just growing algae. 8 hours is a good amount, i would stick to that.
Although it's the light that drives the plants, as was said, low tech aquaria are limited to a great degree by CO2. But that's the nature of the beast.
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Old 04-20-2013, 05:10 PM   #6
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So if i switched to t5 bulbs what bulbs should i get?
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Old 04-20-2013, 10:04 PM   #7
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Quote:
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Although it's the light that drives the plants, as was said, low tech aquaria are limited to a great degree by CO2. But that's the nature of the beast.
Correct, i would argue that all of our tanks are limited by CO2, not by ferts, and def not by light since that drives the rest.
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Old 04-20-2013, 10:06 PM   #8
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So if i switched to t5 bulbs what bulbs should i get?
depends on the spectrum, power output, etc. But probably, you will see better results compared to T8's. It really depends on the light fixture you get, reflectors, etc...
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Old 04-20-2013, 10:49 PM   #9
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Quote:
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So if i switched to t5 bulbs what bulbs should i get?
IMHO T5HO is two much for a low tech tank and would increase your risk of algae issues. Dual T8 or T5NO would be the most I would go.

Two months is not very long as the plants take time to adjust. Though with low tech expect slow growth. If you want to speed things up you are going to need to go the CO2 route.
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Old 04-20-2013, 10:58 PM   #10
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Id like to but i have discus
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Old 05-03-2013, 09:04 PM   #11
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You have to remember for the most part "low light" plants are "low light" because they grow slow and don't need that much energy. If you want it to speed up try DIY CO2, usually that's the limiting factor not the light (if you can't switch out the light that is).
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