Backdrop problems - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 02-14-2016, 07:41 PM Thread Starter
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Backdrop problems

can anyone tell me y the white background i put on my tank looks grey? Could it be because of cheap glass on tank? I used flat white paper for it. could it be that it need to be high gloss?
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post #2 of 9 (permalink) Old 02-14-2016, 09:22 PM
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It look like its your water that is cloudy. If it was cristal clear we could see the plant in the back and heater a lot better so that probably why it dosnt look white.

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post #3 of 9 (permalink) Old 02-14-2016, 11:14 PM Thread Starter
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even now that water is clear it is not white
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post #4 of 9 (permalink) Old 02-14-2016, 11:37 PM
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Try different light colors of highly reflective paper. In stage design we always have to mix three different gels to make human flesh look natural (pink, blue, amber) and it's pretty much the same when viewing colors through water -- clear or cloudy. You should be able to find a very lightly colored, almost faded color paper -- maybe off white, yellow, light blue -- that should read as white. Good luck.
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post #5 of 9 (permalink) Old 02-14-2016, 11:55 PM
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How is the paper glued to the glass ?

In my opinion, the light needs to be closer to the white background so it comes out as white in photos. You can actually see a line halfway through where some light starts to hit the background. Most photos you see in contests with a white backgroung actually have a backlight that hits a white diffuser.

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post #6 of 9 (permalink) Old 02-15-2016, 03:21 AM Thread Starter
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the paper is just slid under the plastic rim on top and bottom and then taped on the sides. I see people with white background on normal goldfish tanks that look white. even on the bottom half where you can see the light hits it better is still dull grey looking.
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post #7 of 9 (permalink) Old 02-15-2016, 03:34 AM
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remember thick glass like that is not clear....

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Hi. I'm back.
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post #8 of 9 (permalink) Old 02-15-2016, 05:02 AM
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its going to look much better with black background, try it, u will see.
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post #9 of 9 (permalink) Old 02-15-2016, 05:21 AM
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Is the background vinyl and/or waterproof? If so, spray water on the glass and squeegee the background on, makes a ton of difference rather than taping it.

If it's waterproof then I guess squeegeeing it on isn't an option.

A lot of those aquascape pictures with white backgrounds or light blue backgrounds that look like a sky, are usually lighting tricks (extra lighting is used)

Some DIY ideas on white backgrounds,
https://www.plantedtank.net/forums/12...ackground.html
still extra lighting is used to achieve the more intense bright white.

The glass and water itself "color" the white background. So does the lighting itself (depending on bulb Kelvin).

I believe a glossy white background would be more reflective, appearing a brighter white in comparison to a matte/flat white.
If you just had to can't find a proper white vinyl background, I guess you could paint the glass white, not too hard to scrape off glass if you want to change later.
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