Mini Volcano Resin Hiding Decorate Ornament for Aquarium Fish Tank Underwater Pond Garden Fish Tank Resin Crafts Landsca

?Creative aquarium toy volcano shape aquarium fish tank decoration ornament.
?Made of resin material, safe, non-toxic, environmentally friendly and totally harmless to your fish.
?High emulational volcano, better to decorate your aquarium, creates a unique effect of an erupting volcano.
?Connect to the air pump to increase oxygen, lower carbon dioxide and raise PH in the aquarium(air pump is NOT included).
?Suitable for aquarium, fish tank and house rockery landscaping.