Check the listing for details. 10 pcs 6" CHOLLA Wood Cactus | Organic | Shrimp Fish Aquarium | Decoration Craft. Color: Gray, Condition: New. Listed at 11.47 USD. ORGANIC, UNTREATED & UNIQUE! (1) Lot of 10 pieces of 6-inch New Mexico grown, all organic and untreated CHOLLA! So many purposes and possibilities with this unique natural wood – everything from arts and crafts to home décor to air plants to aquarium shrimp farms, pleco fish, reptiles, terrariums, bird perches, chinchilla/rabbit chews, dog chew sticks and MORE!! I always include an EXTRA piece of cholla for my customers, so you're really getting 11 pieces. This cholla has been cleaned and all thorns removed. 10 pieces with clean cuts exactly 6” in length and between 5/8” to 1” in diameter. This cholla was hand selected and all brittle parts removed – these pieces are Solid and Strong. If you plan to use in an aquarium, you will need to wash and boil the cholla for at least 20 minutes prior to use. Collected only from dead cactus on family owned land in New Mexico.