{"product_id":"cholla-driftwood-tunnel-tubes","title":"Cholla Driftwood Tunnel Tubes 4 INCH","description":"\u003cp\u003eDerived from the dried husk of the Cholla Cactus, this hollow, porous aquarium wood is a functional powerhouse. Its iconic honeycomb structure isn’t just for aesthetics; it serves as a biological factory for biofilm and a high-security nursery for small aquatic life in a planted aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCholla is famous for stimulating the growth of biofilm, a natural, nutrient-rich film that serves as the primary food source for shrimp and baby fry.\u003c\/li\u003e\n\u003cli\u003eThe hollow center and perforated walls create the perfect “safe house” for molting shrimp and small fish to hide from larger tank mates.\u003c\/li\u003e\n\u003cli\u003eIts unique texture makes it incredibly easy to attach mosses, Anubias, or Bucephalandra. Over time, it can be transformed into a lush, living sunken log that anchors your planted aquarium hardscape.\u003c\/li\u003e\n\u003cli\u003eCholla releases beneficial tannins that slightly lower pH levels, mimicking the natural blackwater environments in which many tropical species thrive.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSize Specifications\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003ePhotos are a representation of the natural variations you will receive.\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThey are cut to 4 inches in length and approximately 1.5-2 inches in diameter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePreparation and Care\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRinse: Thoroughly rinse the piece to remove any dust or debris from transit.\u003c\/li\u003e\n\u003cli\u003eThe Sinking Process: Dry Cholla is very lightweight and will float initially. To get it to stay put, we recommend soaking it in a bucket for 24–48 hours or boiling it for 20 minutes to help it become waterlogged.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Disclaimer\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eThis tunnel is best suited for freshwater shrimp or small fry. If you have larger, curious fish or other fauna (such as a betta fish) that may try to explore such small crevices, there is a risk they may get caught or stuck in the tunnel. Please be mindful of this before placing it in your aquarium.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Pisces USA","offers":[{"title":"SMALL 4.00\"","offer_id":50890844930287,"sku":null,"price":8.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0089\/5018\/6041\/files\/DSC01419.jpg?v=1790295555","url":"https:\/\/www.coastgemusa.com\/products\/cholla-driftwood-tunnel-tubes","provider":"Coast Gem USA","version":"1.0","type":"link"}