Id like to build a viv for poison dart frogs and I want to make a false bottom.
I hear a lot about egg-crate but I don't know what it is in Dutch and no clue either what it's normally used for.
Can someone help me out?

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1.2.1 Rhacodactylus ciliatus
1.2.0 Varanus acanthurus
0.0.4 Xenagama batilifera
1.1.0 Xenagama taylori
1.2.0 Pogona vitticeps
1.2.0 Pogona henrylawsoni
1.0.0 Furcifer pardalis
0.0.1 Python molurus

think its like this

yeah thats the stuff . used for incubating, creating dartfrog and false bottom tanks and also used in many fish shops for corals. thats probably the best place to get hold of it that i know of.

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But what is it originally used for? I've browsed some pictures and saw it with lamps?

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1.2.1 Rhacodactylus ciliatus
1.2.0 Varanus acanthurus
0.0.4 Xenagama batilifera
1.1.0 Xenagama taylori
1.2.0 Pogona vitticeps
1.2.0 Pogona henrylawsoni
1.0.0 Furcifer pardalis
0.0.1 Python molurus

The correct name for this is light diffuser

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