Planted Tank Lighting Help - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 14 Old 12-29-2013, 01:00 AM
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You don't necessarily need insanely high light to grow beautiful plants. My plant guru friend grows all kinds of rare and beautiful plants with medium lighting, he is, however, very very particular with his fertilization, substrate composition and CO2 levels.

T5HOs are usually a good start for a high tech tank as LED lights do cost an arm and a leg :) I use LEDs myself and only find it affordable because I run very small tanks. Otherwise I use fluorescents...but they last me a year at most before i need to change them out again :(

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post #12 of 14 Old 12-29-2013, 02:51 PM
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Originally Posted by DKRST View Post
Keep the light at/under 8 hours/day initially, sneak it up over time if you want to experiment and watch out for BBA over time.
Just to say on that note, what do you know about BBA over time with too much light? I mean I want to know what you know cuz I get this with my 1 x HOt5 in a 20" deep tank up for a year, no c02. Is this where I went wrong? This could be a good 'warn' by experience.
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post #13 of 14 Old 12-29-2013, 07:26 PM
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BBA tends to be a problem in tanks with soft water and fluctuating CO2. Not introducing any BBA into your tank and dipping new plants for algae is a good habit to get into :)

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post #14 of 14 Old 12-30-2013, 12:54 PM
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Agree with the plant dip for a variety of reasons (snail and parasites), but you'll find BBA spores in the air, so you can't totally keep it out that way. BBA is caused by fluctuating CO2, varying nutrients and/or too much light. Most of the time, it's too much light that is the culprit (in non-co2-enriched tanks, anyway). It's a pain to get rid of but my first recommendation to battle BBA is to reduce the light intensity and photoperiod (below 8 hours/day, might go as low as 6/day temporarily). there are LOTs of anti-BBA threads here, but prune as much out as you can, clean any hardscape to remove BBA that's taken up residence, and you can try "Excel" to inhibit the algae growth a bit (caution, a few plants don't like Excel at all).

I don't want to further hijack this thread, so if you want more on exactly what I've done, shoot me a PM, but what I said above is basically it.

Main issue I see is a T5HO light on a 20" deep tank = too much light intensity! Try using fiberglass window screening over the tank to cut the light by 40%

18 species/varieties of fish, 15 species/varieties of plants - The fish are finally ahead of the plants!
*560 gallons (2120 liters) in 5 tanks -> you do the math.

Last edited by DKRST; 12-30-2013 at 12:57 PM.
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