Too bright..?

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Moniris
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Too bright..?

Post by Moniris » Tue Nov 20, 2018 8:51 am

Hey all,

So a few days ago I was fiddling with the timer on my light bar and screwed it up so now the night light turns off before the daylight comes on. That's not the important part. I noticed that my crabs have been further from their den in the mornings and even when I stay up really late (1-2 in the morning) I don't see them coming out. I've covered up a lot of the light but how do I know if it's too bright in there? I thought crabs were supposed to have night lights too unless I totally missed the mark on that.

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wodesorel
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Re: Too bright..?

Post by wodesorel » Tue Nov 20, 2018 9:00 am

Darkness at night is better for the crabs, unless you have to have a light for heat. (And even then there are lightless options.) A light at night is only for our benefit to watch them.

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Moniris
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Re: Too bright..?

Post by Moniris » Tue Nov 20, 2018 9:03 am

wodesorel wrote:Darkness at night is better for the crabs, unless you have to have a light for heat. (And even then there are lightless options.) A light at night is only for our benefit to watch them.
Ah that makes sense, I'll make sure to turn it off then :) thanks as always wodesorel!

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ciaraalston
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Re: Too bright..?

Post by ciaraalston » Tue Nov 20, 2018 9:48 am

Is complete darkness okay? I usually cover my tank with a sheet at night because we are getting ready for work, but once we leave all the lights are off and the sheet stays... Should I leave a hall light on or something to have even a LITTLE light? Or is completely black dark okay?

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Moniris
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Re: Too bright..?

Post by Moniris » Tue Nov 20, 2018 4:58 pm

ciaraalston wrote:Is complete darkness okay? I usually cover my tank with a sheet at night because we are getting ready for work, but once we leave all the lights are off and the sheet stays... Should I leave a hall light on or something to have even a LITTLE light? Or is completely black dark okay?

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I've got some RGB lights running around the underside of my desk, I am just gonna leave those on tonight and see if there's more activity from the crabpatriots tonight.
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Re: Too bright..?

Post by aussieJJDude » Wed Nov 21, 2018 7:01 am

ciaraalston wrote:Is complete darkness okay? I usually cover my tank with a sheet at night because we are getting ready for work, but once we leave all the lights are off and the sheet stays... Should I leave a hall light on or something to have even a LITTLE light? Or is completely black dark okay?

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If the blanket isn't too thick, I'm sure it would be fine. Even then, having a small section - like one side 'open' - may be all thats needed to have best of both worlds...

But thats me, I have very little idea on how sensitive their eyes are to light...

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