BIOFILM: Produces biofilm in aquariums for shrimp, plecos, and other tropical aquarium inhabitants. BIOACTIVE TERRARIUMS: Provides hiding spaces for isopods and springtails. This 37-piece premium nano botanical bundle is hand-curated and contains alder cones, bakuli pods, mutamba pods, cotton flower pods, mini arjuna pods and star flower pods. This is an uncommon collection of nano seed pods . Transform your small aquarium or isopod habitat with this diverse collection of unique small natural seed pods. Each variety pack contains 37 small botanical seed pods that are ideal for nano tanks. Perfect for small aquariums, nano terrariums, dart frog vivariums, and bioactive setups, this mixed variety pack includes an assortment of botanical treasures that serve multiple purposes. These carefully selected pods and cones not only provide natural hiding spots and enrichment for your isopods but also serve as a sustainable food source. The varied textures and sizes create interesting landscape features while naturally breaking down to supplement your creatures' diet. Each pack contains different types of pods and cones, offering both functional and decorative elements for your terrarium. As these materials decompose, they contribute to the overall health of your bioactive system. Ideal for those looking to create a more natural environment for their isopods while providing them with long-lasting nutrition. These botanical items come in their natural state and may vary in size and appearance. *When used in an aquarium, these seed pods will produce biofilm which can appear white, brown, gray, or slimy. It is not mold.* Biofilm are beneficial microorganisms.