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Discussion Starter #1
How to make cloudy water? (Solution found!)

Hi everyone. I'm making a prop for my Halloween display, it is a shelf with light-up bottles on it. The bottles are lit from below by LEDs built into the shelf. The problem I have now is that I need a way to make the water in the bottles slightly cloudy to diffuse the light. Can anyone recommend a way to do this? I considered milk, but I'm afraid it will spoil. Right now I have soapy water in them for testing.
 

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You can try pool chemicals. I know when I use PH the pool will stay cloudy for a few days. Also power shock does the same thing. You do not need alot, maybe a tablespoon in a 24 oz bottle. If you have a pool then this could be a bonus. A small bottle cost like $10.
 

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A website that I was looking at for making a bleeding portrait recommended cornstarch to make water less clear. This might work for your needs.
 

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Fabric softener is working for me presently, but I'm also agitating the water with an airstone...I'm not entirely sure if it would eventually settle or not.

Other thoughts include food dye...
 

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Discussion Starter #10
Ok, time for an update. The first thing I tried was cornstarch, since a couple people recommended it. It worked well while it lasted, but it settled out of the water much too quickly, a matter of minutes.

Next, my friend tried baking soda, which lasted for about an hour. That would probably work, but isn't optimal.

However, as he was testing baking soda, I tried fabric softener. It works amazingly well, even after 12+ hours, it has barely settled at all! There were some chunks when I first mixed it, but they either settled or dissolved. Here's some test images of fabric softener:

View attachment 6224
Blue and yellow, up close

View attachment 6225
Overview

A big thanks goes out to UnOrthodOx for suggesting fabric softener!
 

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Where wolf?
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How about simply adding a little milk? My liquied latex brush cleaning jar also stays milky for days until I dump it for fresh.

Good luck. :)
 

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Discussion Starter #12
I thought about using milk, but I was worried about what would happen if I forgot to empty it out. I found a viable solution in fabric softener, though, as my previous post attests. Thanks for the suggestions. :)
 

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Where wolf?
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Yeah I caught the softener suggestion after my post. LOL

Bottles look great! Reminds me of a Frankenstein monster project for next year I want to attempt with an old 55 gallon aquarium.
 

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Discussion Starter #16
Thanks for the link, that's pretty cool. Let me know if you want me to post more pictures of the construction and wiring of the shelf. In fact, we'll probably be doing another shelf, perhaps I'll do a step-by-step.
 

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I would love to see the details of your construction. I have the perfect spot for a display like this. My original idea was to fill that space with flicker candles, but I love your bottles.
 

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Discussion Starter #20
Two requests for a how-to--that's enough for me! We'll be making another one before too long, I'll be sure to get good pictures of every stage of the process. I actually have quite a few pictures of this one, but the coverage is kinda spotty, and the depth of field is so shallow most of the stuff is out of focus. Though, I might throw something together anyways...
 
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