Can I Use Outdoor Gravel or Rocks in an Aquarium?
By A Mystery Man Writer
Description
The use of outdoor rocks or gravel in aquariums has long been debated, but it is usually safe provided you first test the stones for calcium content.
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Galashield Pebbles for Plants, River Rocks, Decorative Stones for Vases, Garden Rocks Outdoor Landscaping, Polished Aquarium Gravel (2 lb Bag) 1-2 cm 2.0 Pounds
from
per adult (price varies by group size)