Can I Put This Pottery In My Tank?

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Angelique

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It's a small piece of pottery that was fired twice. The first time to harden the clay, the second to set the color and glaze. Both at over a thousand degrees, at least. It was made as a school project and it would look nice in my freshwater planted aquarium! So, can I? Here's a sharpie for size reference.
Hb2oggAMvbfAkEmQ9xsMYNcrueRhj_YFNY2s8OrAkRfgfw6oiGMnQs6SNktvzQeN--tQvixQrOzaqFkssR04=w868-h651-n.jpg
 

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BReefer97

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It's a small piece of pottery that was fired twice. The first time to harden the clay, the second to set the color and glaze. Both at over a thousand degrees, at least. It was made as a school project and it would look nice in my freshwater planted aquarium! So, can I? Here's a sharpie for size reference.View attachment 461583
Sadly no, I wouldn’t advise it. Most schools (mine included) don’t have food safe glazes (it’s expensive), and if it’s not safe for food, it’s not safe for a fish tank. Most glazes leach toxic heavy metals in to the water as the glaze dissolves.
 
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