Unlike most types of wood that are used in the aquarium, cholla is soft and breaks down over time. As this happens, all kinds of beneficial processes take place. Tannins are released into the water they have antibacterial and antifungal properties, which help protect your fish and shrimp against disease. Foraging benefits As cholla cactus wood breaks down, biofilm (a slimy layer of bacteria and unicellular organisms) forms on it. This makes it the perfect place for shrimp to forage! Biofilm is one of their favorite foods. A single piece of this wood will likely have multiple shrimp on it at any given time. Helps shrimp feel safe

Preparation and use in aquariums: rinse well then boil for 10 - 15 minutes to clean and sanitize. Rinse well and then let wood soak in fresh clean water for 24 to 48 hours to water log and sink the Cholla. This process also allows for the Cholla to release tannins which are not harmful but can discolor the water in your tank. This item is perfect for those who want to add a touch of elegance and charm to their aquatic environment. So why wait? Add this stunning Cholla Wood aquarium decoration to your collection today and experience the beauty of nature at its finest. The multiple uses for Cholla Wood, range from Shrimp hiding, feeding and Habitat, Ph buffer for your Aquarium, growing many varieties moss and minni anubias plants. Add a touch of natural beauty to your aquarium with this stunning Cholla Wood. You are buying - One Cholla Wood 1.3cm to 2cm diameter and 15cm long. The picture is an example.