Beginning photoperiod midday - The Planted Tank Forum
 
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post #1 of 14 (permalink) Old 12-12-2014, 02:03 AM Thread Starter
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Beginning photoperiod midday

Hey all,

Does anyone here have experience beginning the photoperiod midday? I want to start the photoperiod (6-8) at around 12pm so that when I'm home at 7pm, I can still view the tank fully lit.

My main concern is the behavior of the fish because I would assume they wake up when there is ambient light (ie. 8am). Their natural behavior and health is my ultimate priority. I would like them to get the proper rest.

Comments and suggestions welcomed.

Thanks
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post #2 of 14 (permalink) Old 12-12-2014, 02:06 AM
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I run my that way, didn't find it to be a problem
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post #3 of 14 (permalink) Old 12-12-2014, 02:14 AM
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pretty sure most people do this lol dont think it will be a problem for the fish, they will adjust fine


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post #4 of 14 (permalink) Old 12-12-2014, 04:23 AM
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Yes, diurnal fish will wake up when the ambient light is bright enough.
Not a problem to run the lights as you want, though. Go for it.
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post #5 of 14 (permalink) Old 12-12-2014, 04:53 AM
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My lights come on at 2pm and go off at 10pm, large double patio door provides lots of ambient light, I've not had any problems with that tank such as you mention in the OP.
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post #6 of 14 (permalink) Old 12-12-2014, 05:20 AM
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My Mollies would go to sleep regardless of when my lights were on when it got to be dark outside of the house. I'd find them in a corner where the tank light didn't shine on them.
They liked it when I set the timer for it to start after the sun comes up. I've watched them on many days early in the A.M. when it was starting both before and after the sun up thing. They always freak when it comes on before the sun comes up but not after.
I haven't really noticed the other fish hiding after the sun goes down but before the light goes off. Just the Mollies do that.

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post #7 of 14 (permalink) Old 12-12-2014, 06:34 AM
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I have mine broken up due to algae growth(black beard algae). I run 96w of cfl's in my 29g tank.

However i used to run from 1pm to 9:30pm without any problems. Tanks in a dark area of the house + blinds closed all the time so the ambient light is fairly low. My current schedule is set for 10am - 12pm then from 3pm to 8pm.
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post #8 of 14 (permalink) Old 12-12-2014, 11:30 AM
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Ive been running the light on my 29g from 8am-11am, and then from 3pm-8pm, with seemingly no adverse affects to my fish or plants.

If you are worried about the addition of ambient light during the down time of your photoperiod, and the possible increase in algae as a result, I have found that wrapping the front of the tank with a black garbage bag works.

To do this, I bought some adhesive velcro strips. I adhered two strips, one on the front right side of the tank rim and one on the front left (not on the glass, but on the plastic strip). I then fold a black garbage bag in half and adhere the counter pieces of velco to the bag.

I use this "shade" when I leave the house in the morning to block any ambient light, leaving only my tank light to penetrate. When I get home I remove the shade.

This is also helpful when I need to do a 3 day blackout to combat algae or cynobacteria. During blackouts I actually cover the top of the tank with a bag as well.
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post #9 of 14 (permalink) Old 12-12-2014, 03:59 PM
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I run my low tech 55g from 3-9pm daily

29g high tech from 2-9pm

10 and 8.7g get the 3-9pm photo period

been this way for 2 years and my fish are use to it.


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post #10 of 14 (permalink) Old 12-12-2014, 04:49 PM
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Quote:
Originally Posted by Raymond S. View Post
They always freak when it comes on before the sun comes up but not after.
+1 The goldfish in my avatar will freak out when the light comes on if it was too dark in the room first, so bad that if you have to turn on the light from darkness you have to angle the light away from the tank first.

My tanks: 55G Planted & Goldfish, 20G Rocks & Crayfish

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post #11 of 14 (permalink) Old 12-12-2014, 08:43 PM
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12:00pm to 11:00pm here with no troubles.
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post #12 of 14 (permalink) Old 12-14-2014, 03:16 PM
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Mine come on at 3:30 pm and off at 10:00 pm. I do have natural light so it not dark during the day. For me and like others have written, I want the lights on when I'm home. I really don't think it matter much to the fish but when I covered the natural lighting my farrow's stop breeding.
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post #13 of 14 (permalink) Old 12-14-2014, 11:59 PM
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my lights are on from 8am to 11 am then back on at 1:30pm to 5:30pm. been this way since i had them set up.
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post #14 of 14 (permalink) Old 12-15-2014, 01:19 PM
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The lights on my tanks are on from 5pm to 1am
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