this post was submitted on 18 May 2026
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I have a few spare glass bottles and want to explore what decoration I can make with them, without just painting outside them.

Preferably safe, in case of an accidental breakage or leak. Preferably indefinite shelf-life.

Some ideas:

  • Density layering experiments ('rainbow in a jar', maybe suspending an upside-down toy boat in a dense clear liquid with a blue watery liquid on-top)
  • Phosphorescent liquids to glow in the dark (pref with no UV lamp needed)
  • The oil+water+antacid+food coloring lava lamp, but the effect is probably too short-lasting to have running for a few hours
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[โ€“] hperrin@lemmy.ca 14 points 3 days ago (1 children)

My kids made tgat for mothersday once. Looks actually nice. It's still on display after 5 years or so

[โ€“] Darkassassin07@lemmy.ca 10 points 3 days ago

The blood of the foes who have fallen before you.

[โ€“] sharkfucker420@lemmy.ml 6 points 3 days ago (1 children)
[โ€“] comfy@lemmy.ml 4 points 3 days ago

The proper stuff is expensive (~$1USD/ml), NileRed's recipe is 2chem4me, but the cheaper ferrous suspension methods might be workable...

Water and food coloring in a window is pretty sweet. Especially with multiple colors.

[โ€“] comfy@lemmy.ml 2 points 3 days ago

Tempted to try the Traffic Light Reactuon, but I don't know how safe it is to store something that alkaline in a regular glass bottle long-term

[โ€“] cheese_greater@lemmy.world -2 points 3 days ago
[โ€“] Miller@lemmy.world 0 points 3 days ago (1 children)

Have you considered Spiegel im Spiegel.

Do you mean an infinite mirror, like this?