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i always give 10hrs to all tanks (new or old) photoperiod very much to yr desire, but best to be in the day time. I notice some plants (some stemmed plant) closes our leaves at ard 9pm+
IS it correct that for a new tank, around 7 hours of light is recommended?
IF so which time of the day should i swtich it on, during the day or the night?
i always give 10hrs to all tanks (new or old) photoperiod very much to yr desire, but best to be in the day time. I notice some plants (some stemmed plant) closes our leaves at ard 9pm+
IME, turning out the lights along with the natural daylight gives me the best results. My stem plants grow less leggy this way compared to turning on the light at 12noon.
BC
Guess it depends on what you're after. In my case, I want the lights on at a time when I can see my tank & fishes so I actually use the timer to turn it on early morning and then in the evening through to the night. Don't think this is recommended but then, it works for me.
Hey... I am doing the same.
I am giving the plants a full 10-hr from 0800 to 1800. At night, when I come home, the lights are on for another 2 hours for me to feed the fishes and admire my plants.
So far plants are growing great.
Used to have it from 1200 to 2300. But my stem plants turned out quite ugly looking.
BC
thanks for the reply everyone
so i guess i have to experiment
cos i heard of ppl who split their 10hr shifts in 5 : 5 with around 2 hour interval in between which is said to be good to battle algae. Is this true?
There has been arguement that plants need continuous lighting to thrive.
I myself is quite skeptical about this school of thought. I always think that algae are more adaptable to environment including light compared to higher plants. So i doubt it will hurt the algae more than plants.
BC
My lights are on at 8pm to 6am next day. this way I'm back home to enjoy it, the night is brighter and burglars are kept at bay. and assuming that electricity rates are lower at night (when demand is low) ...
Resistance is futile, you will be administrated!
You can try the split (actually they call it a siesta) method, but you must have natural ambient light during the siesta. Then the plants know that it's still "day" and think that it just got cloudy for a while.
Whether it's effective against algae, I don't know, but it allows me to see the tank in the morning before work and in the evening after I come home.
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Simon, my Macrandra behave that way too, close at about 9pm, though the light end 1 hr later. May be I should try to change the time. Thanks.
loupgarou,
It looks like your fish does not have a single period of complete darkness at all. i.e 24hr daytime? Wonder how will this affect the fishes?
[:0] Could that the be the cause of stress in your fishes?----------------
On 3/14/2003 3:32:17 PM
loupgarou,
It looks like your fish does not have a single period of complete darkness at all. i.e 24hr daytime? Wonder how will this affect the fishes?
----------------
I know that some animals function on instincts. For day fishes, they will be active when there is light. They will switch off when the lights go off. Vice-versa for nocturnal fishes.
Even for humans, there is a biological sleep mechanism that is triggered by sunlight.
BC
during the day, my house is dark, about as bright as a moonlit night, barely bright enough to read by, visibility in the tank, would be no more than 5cm. so its dark enough.
(cos no one in house, all windows shuttered up.)
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