{"product_id":"marco-rock-premium-shelf-45lb-box","title":"Marco Rock Premium Shelf - 40lb Box","description":"\u003cp\u003eThis is one of our most popular rock offerings. Formed naturally from ancient reef structures, we hand select and process the most premium structures in the Marco Rocks line to create the Premium Shelf Rock for your aquarium. It lends itself to that perfect shelf scape that is reminiscent of a multi-tiered reef scene. We recommend stacking the rocks as horizontal as possible and cementing them together at key junctions with our E-Marco-400 mortar. Natural color is perfect for new scapes, Coralline for established reefs or to blend perfectly with our new Coralline rock. To help disguise the joints, consider using our MR Powder. For best results, place these rocks over our MR Foundation Rocks.\u003c\/p\u003e\n\u003cp\u003eOur MarcoRocks is the finest all natural aquarium rock available to the aquarium enthusiast today. It is a once live natural reef rock.\u003c\/p\u003e\n\u003cp\u003eAll natural calcium carbonate rock. Never any chemicals, additives. Often, you can spot fossilized ancient corals within the rock.\u003c\/p\u003e\n\u003cp\u003eHighly Porous and Beautifully Shaped\u003c\/p\u003e","brand":"Champion Lighting \u0026 Supply","offers":[{"title":"Default Title","offer_id":67797012742440,"sku":"MRSHF40","price":278.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/6293\/4824\/files\/mr-premium-shelf-natural-single__78915_1.jpg?v=1790885421","url":"https:\/\/bubbleflowaquatix.com\/products\/marco-rock-premium-shelf-45lb-box","provider":"Bubble Flow Aquatix","version":"1.0","type":"link"}