These are traces of fire clay brick of the kiln. It isn’t harmful. Just wipe it off or brush, should it visually disturb.
ANGEBOTE
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Goose shelter vintage Bisher bei uns
28,99 €Original price was: 28,99 €.25,99 €Current price is: 25,99 €. -
Front Entrance Cave Catfish Cave 15x11x51 cm dark brown with small defect Bisher bei uns
65,90 €Original price was: 65,90 €.49,00 €Current price is: 49,00 €. -
AquaKeramik Igloo Cave Clay Ø 14 cm Dark Brown Bisher bei uns
9,99 €Original price was: 9,99 €.6,99 €Current price is: 6,99 €. -
AquaKeramik large tunnel 28-30 cm with windows 9,00 € – 10,00 €
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Stone Cave ,Robin' from Clay Surprise Bisher bei uns
26,99 €Original price was: 26,99 €.21,99 €Current price is: 21,99 €.