{"title":"MarcoRocks","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMarcoRocks is one of the most recognized and trusted brands in the reef aquarium industry, known for producing premium reef-safe dry rock and aquascaping solutions for marine aquariums. Designed for reef hobbyists who want both beauty and functionality, MarcoRocks products help create natural-looking reef structures while providing an ideal foundation for biological filtration and coral growth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFavored by hobbyists, coral farms, and professional aquarium builders around the world, MarcoRocks offers clean, pest-free rock that allows aquarists to build stunning custom aquascapes without the unwanted hitchhikers commonly associated with traditional live rock. Its lightweight and porous structure supports healthy bacterial colonization while giving reef keepers endless creative freedom when designing their systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhether you're building an SPS-dominated reef, a minimalist negative-space aquascape, a coral frag system, or a large-scale marine display, MarcoRocks provides reliable and environmentally responsible solutions trusted throughout the reefing community.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis collection includes Reef Saver Rock, Foundation Rock, Shelf Rock, aquascaping mortar, frag rocks, and other specialty aquascaping products designed to help transform aquariums into thriving marine ecosystems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTAGS: marcorocks, reefrock, aquascaping, reefsaverrock, reefaquarium, dryrock, reefsupplies, reefkeeping, reefstructure, reefdesign, marineaquarium, coralfrag, reefbuilder, aquascape, reefhobby, reefsystem, saltwateraquarium, reeflife, aquariumrock, reefgear\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"marcorocks-mr-reef-saver-loose-by-the-pound-natural","title":"MarcoRocks MR Reef Saver Per Kg","description":"\u003cp data-end=\"835\" data-start=\"219\"\u003eMarcoRocks Reef Saver Natural is a highly porous, all-natural calcium carbonate dry rock, harvested sustainably from ancient reef systems in Florida. Widely recognized for its cleanliness and eco-friendliness, it is one of the best choices for aquascaping as it is mined from land-based sources rather than live marine environments. This rock provides a perfect solution for creating secure and stable aquascapes, offering excellent biological filtration with its exceptional porosity. Available by the pound, it allows you to order exactly the quantity needed for your unique design.\u003c\/p\u003e\n\u003ch3 data-end=\"858\" data-start=\"837\" data-section-id=\"1s1yvt8\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"858\" data-start=\"841\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1620\" data-start=\"859\"\u003e\n\u003cli data-end=\"1042\" data-start=\"859\" data-section-id=\"5y113\"\u003e\n\u003cstrong data-end=\"886\" data-start=\"861\"\u003eNatural \u0026amp; Sustainable\u003c\/strong\u003e: Made from 100% natural limestone-structured aragonite, it contains no chemicals, additives, or dyes, ensuring a pure and safe substrate for your aquarium.\u003c\/li\u003e\n\u003cli data-end=\"1230\" data-start=\"1043\" data-section-id=\"fxpn1b\"\u003e\n\u003cstrong data-end=\"1062\" data-start=\"1045\"\u003eHigh Porosity\u003c\/strong\u003e: The rock’s highly porous structure provides a massive surface area for the growth of beneficial bacteria, aiding in biological filtration and improving water quality.\u003c\/li\u003e\n\u003cli data-end=\"1395\" data-start=\"1231\" data-section-id=\"185mtnn\"\u003e\n\u003cstrong data-end=\"1246\" data-start=\"1233\"\u003ePest-Free\u003c\/strong\u003e: Processed dry and cleaned without chemicals, guaranteeing it is free from common aquarium pests like Aiptasia, bubble algae, and parasitic isopods.\u003c\/li\u003e\n\u003cli data-end=\"1617\" data-start=\"1396\" data-section-id=\"1lf35iz\"\u003e\n\u003cstrong data-end=\"1418\" data-start=\"1398\"\u003eEasy Aquascaping\u003c\/strong\u003e: The irregular, natural shapes interlock easily, providing a \"jigsaw puzzle\" fit for stable aquascaping. It can also be broken with a hammer and chisel for custom \"Negative Space Aquascaping\" (NSA).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1644\" data-start=\"1621\" data-section-id=\"e8he8i\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1644\" data-start=\"1625\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2146\" data-start=\"1645\"\u003e\n\u003cli data-end=\"1703\" data-start=\"1645\" data-section-id=\"1kq3vu6\"\u003e\n\u003cstrong data-end=\"1659\" data-start=\"1647\"\u003eMaterial\u003c\/strong\u003e: 100% natural calcium carbonate (aragonite)\u003c\/li\u003e\n\u003cli data-end=\"1863\" data-start=\"1704\" data-section-id=\"ink5ez\"\u003e\n\u003cstrong data-end=\"1720\" data-start=\"1706\"\u003ePiece Size\u003c\/strong\u003e: Pieces typically range from grapefruit to football size. Small foundation pieces are 4\" to 8\" long, while medium pieces range from 8\" to 11\".\u003c\/li\u003e\n\u003cli data-end=\"1952\" data-start=\"1864\" data-section-id=\"fh94jb\"\u003e\n\u003cstrong data-end=\"1878\" data-start=\"1866\"\u003eQuantity\u003c\/strong\u003e: Typically, 1 to 1.5 lbs of rock per gallon of tank volume is recommended.\u003c\/li\u003e\n\u003cli data-end=\"2071\" data-start=\"1953\" data-section-id=\"e9np9u\"\u003e\n\u003cstrong data-end=\"1970\" data-start=\"1955\"\u003ePreparation\u003c\/strong\u003e: No traditional curing required; rinse thoroughly with freshwater to remove surface dust before use.\u003c\/li\u003e\n\u003cli data-end=\"2146\" data-start=\"2072\" data-section-id=\"1hmlqd1\"\u003e\n\u003cstrong data-end=\"2087\" data-start=\"2074\"\u003ePest-Free\u003c\/strong\u003e: Completely free from pests, algae, and harmful organisms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2724\" data-start=\"2175\"\u003eThe MarcoRocks Reef Saver Loose - Natural offers a sustainable and safe solution for creating stunning aquascapes in saltwater and freshwater aquariums. Mined from ancient reef systems, this high-porosity rock is free of harmful chemicals and pests, providing an excellent foundation for biological filtration. Its natural shapes interlock for easy aquascaping, and it can be customized for negative space designs. Whether you're starting a new tank or upgrading an existing setup, this eco-friendly rock ensures a clean, long-lasting aquascape.\u003c\/p\u003e","brand":"MarcoRocks","offers":[{"title":"Default Title","offer_id":52969916760358,"sku":"MR-RS-LOOSE","price":25.0,"currency_code":"QAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/3868\/9830\/files\/50lb-box__61324.1511194882.1280.1280__87147.1511514547.1280.1280.png?v=1775889476"},{"product_id":"marcorocks-e-marco-400-mortar-natural","title":"MarcoRocks E Marco-400 Mortar - Natural","description":"\u003cp data-end=\"939\" data-start=\"190\"\u003eThe E-Marco-400 Aquascaping Mortar (Natural) is a high-strength bonding agent designed for creating complex and secure underwater structures in both reef and freshwater aquariums. Specially formulated to match the MarcoRocks Reef Saver rock, this \"Natural\" version ensures a seamless, professional look for your aquascaping designs. Perfect for constructing arches, overhangs, and other intricate formations, it offers long-lasting durability while being completely reef-safe and non-toxic. Its unique formula includes a liquid acrylic polymer to prevent brittleness in saltwater environments, and its rough texture promotes natural coral and algae growth, making it an ideal choice for any aquascaping enthusiast.\u003c\/p\u003e\n\u003ch3 data-end=\"962\" data-start=\"941\" data-section-id=\"1s1yvt8\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"962\" data-start=\"945\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1582\" data-start=\"963\"\u003e\n\u003cli data-end=\"1094\" data-start=\"963\" data-section-id=\"70oe6t\"\u003e\n\u003cstrong data-end=\"990\" data-start=\"965\"\u003eReef Safe \u0026amp; Non-Toxic\u003c\/strong\u003e: 100% non-toxic, Triton ICP tested to ensure it won’t leach harmful chemicals into your aquarium water.\u003c\/li\u003e\n\u003cli data-end=\"1217\" data-start=\"1095\" data-section-id=\"htvx8i\"\u003e\n\u003cstrong data-end=\"1121\" data-start=\"1097\"\u003eAnti-Brittle Formula\u003c\/strong\u003e: Includes a liquid acrylic polymer that prevents the mortar from becoming brittle in saltwater.\u003c\/li\u003e\n\u003cli data-end=\"1346\" data-start=\"1218\" data-section-id=\"19rgo9y\"\u003e\n\u003cstrong data-end=\"1239\" data-start=\"1220\"\u003ePromotes Growth\u003c\/strong\u003e: The rough texture aids the adhesion of coralline algae and corals, unlike some epoxies that repel growth.\u003c\/li\u003e\n\u003cli data-end=\"1460\" data-start=\"1347\" data-section-id=\"1np52bf\"\u003e\n\u003cstrong data-end=\"1367\" data-start=\"1349\"\u003eCost-Effective\u003c\/strong\u003e: More economical for large-scale aquascaping projects compared to standard glues or epoxies.\u003c\/li\u003e\n\u003cli data-end=\"1582\" data-start=\"1461\" data-section-id=\"w7vv07\"\u003e\n\u003cstrong data-end=\"1486\" data-start=\"1463\"\u003eSeamless Appearance\u003c\/strong\u003e: Natural color matches MarcoRocks Reef Saver, providing a professional and consistent look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1607\" data-start=\"1584\" data-section-id=\"e8he8i\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1607\" data-start=\"1588\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1940\" data-start=\"1608\"\u003e\n\u003cli data-end=\"1648\" data-start=\"1608\" data-section-id=\"1lh97b3\"\u003e\n\u003cstrong data-end=\"1622\" data-start=\"1610\"\u003eSet Time\u003c\/strong\u003e: Approximately 20 minutes\u003c\/li\u003e\n\u003cli data-end=\"1712\" data-start=\"1649\" data-section-id=\"1eq4jb5\"\u003e\n\u003cstrong data-end=\"1668\" data-start=\"1651\"\u003eHandling Time\u003c\/strong\u003e: Can be moved carefully after about 2 hours\u003c\/li\u003e\n\u003cli data-end=\"1764\" data-start=\"1713\" data-section-id=\"yxztme\"\u003e\n\u003cstrong data-end=\"1733\" data-start=\"1715\"\u003eFull Cure Time\u003c\/strong\u003e: 24 hours for maximum strength\u003c\/li\u003e\n\u003cli data-end=\"1816\" data-start=\"1765\" data-section-id=\"13e4tf5\"\u003e\n\u003cstrong data-end=\"1782\" data-start=\"1767\"\u003eVersatility\u003c\/strong\u003e: Cures both in-air and underwater\u003c\/li\u003e\n\u003cli data-end=\"1940\" data-start=\"1817\" data-section-id=\"2ha30j\"\u003e\n\u003cstrong data-end=\"1838\" data-start=\"1819\"\u003eContents in Kit\u003c\/strong\u003e:\n\u003cul data-end=\"1940\" data-start=\"1843\"\u003e\n\u003cli data-end=\"1858\" data-start=\"1843\" data-section-id=\"13wd9j8\"\u003eMortar powder\u003c\/li\u003e\n\u003cli data-end=\"1886\" data-start=\"1861\" data-section-id=\"4bfxpu\"\u003eLiquid polymer additive\u003c\/li\u003e\n\u003cli data-end=\"1904\" data-start=\"1889\" data-section-id=\"1fobl22\"\u003eMixing bucket\u003c\/li\u003e\n\u003cli data-end=\"1923\" data-start=\"1907\" data-section-id=\"hvhn5m\"\u003eMixing spatula\u003c\/li\u003e\n\u003cli data-end=\"1940\" data-start=\"1926\" data-section-id=\"1afrurn\"\u003eInstructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2983\" data-start=\"2440\"\u003eThe E-Marco-400 Aquascaping Mortar (Natural) is the ideal solution for constructing complex and secure aquascaping structures in reef and freshwater aquariums. With its eco-friendly, non-toxic formula, strong bonding properties, and rough texture to encourage coral growth, it’s the perfect tool for hobbyists looking to create stunning aquascapes. The mortar is designed for ease of use, with a set time of 20 minutes and a full cure in 24 hours, ensuring your designs remain stable and beautiful for the long term.\u003c\/p\u003e","brand":"MarcoRocks","offers":[{"title":"Default Title","offer_id":52969916858662,"sku":"MR-MORTAR-400","price":160.0,"currency_code":"QAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/3868\/9830\/files\/252466-marcorocks-e-marco-400-mortar-natural-color-inp.png?v=1775889952"},{"product_id":"marcorocks-mr-foundation-rock-20lb-box-natural","title":"MarcoRocks MR Foundation Rock - 20lb Box Natural","description":"\u003cp data-start=\"208\" data-end=\"842\"\u003eThe MarcoRocks Natural Foundation Rock (20lb Box) is an all-natural calcium carbonate rock designed specifically for the bottom layer of marine aquarium aquascapes. Mined from ancient, extinct reef systems, this eco-friendly rock ensures a stable, pest-free foundation for your aquarium. Each 20lb box typically contains 6-10 pieces, with each rock weighing 3-5 pounds, providing the perfect solution for creating a solid base layer that prevents \"rock slides.\" The machined flat bottom ensures stability against the glass, while the natural-shaped top offers an organic, natural look for your aquarium.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1s1yvt8\" data-start=\"844\" data-end=\"865\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"848\" data-end=\"865\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"866\" data-end=\"1469\"\u003e\n\u003cli data-section-id=\"o8j83m\" data-start=\"866\" data-end=\"1019\"\u003e\n\u003cstrong data-start=\"868\" data-end=\"885\"\u003eStable Design\u003c\/strong\u003e: Features a machined flat bottom for added stability against the aquarium glass and a naturally shaped top for an organic appearance.\u003c\/li\u003e\n\u003cli data-section-id=\"51e8bd\" data-start=\"1020\" data-end=\"1174\"\u003e\n\u003cstrong data-start=\"1022\" data-end=\"1045\"\u003ePest-Free Guarantee\u003c\/strong\u003e: 100% free of nuisance algae, Aiptasia, and parasitic isopods, as the rock is harvested from ancient land-based reef formations.\u003c\/li\u003e\n\u003cli data-section-id=\"84w9a4\" data-start=\"1175\" data-end=\"1305\"\u003e\n\u003cstrong data-start=\"1177\" data-end=\"1193\"\u003eEco-Friendly\u003c\/strong\u003e: Mined from extinct reef systems, rather than harvested from live marine environments, ensuring sustainability.\u003c\/li\u003e\n\u003cli data-section-id=\"u59tfk\" data-start=\"1306\" data-end=\"1469\"\u003e\n\u003cstrong data-start=\"1308\" data-end=\"1330\"\u003ePerfect Base Layer\u003c\/strong\u003e: Ideal for use as a boundary layer between the aquarium glass and sand to prevent \"rock slides\" and provide a secure base for aquascaping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"e8he8i\" data-start=\"1471\" data-end=\"1494\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1475\" data-end=\"1494\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1495\" data-end=\"1827\"\u003e\n\u003cli data-section-id=\"xdqeq3\" data-start=\"1495\" data-end=\"1517\"\u003e\n\u003cstrong data-start=\"1497\" data-end=\"1507\"\u003eWeight\u003c\/strong\u003e: 20lb Box\u003c\/li\u003e\n\u003cli data-section-id=\"ws6nv1\" data-start=\"1518\" data-end=\"1577\"\u003e\n\u003cstrong data-start=\"1520\" data-end=\"1533\"\u003eRock Size\u003c\/strong\u003e: Each piece weighs approximately 3-5 pounds\u003c\/li\u003e\n\u003cli data-section-id=\"qqn6fb\" data-start=\"1578\" data-end=\"1629\"\u003e\n\u003cstrong data-start=\"1580\" data-end=\"1598\"\u003ePieces per Box\u003c\/strong\u003e: Typically 6-10 pieces per box\u003c\/li\u003e\n\u003cli data-section-id=\"zqv4f5\" data-start=\"1630\" data-end=\"1699\"\u003e\n\u003cstrong data-start=\"1632\" data-end=\"1644\"\u003eMaterial\u003c\/strong\u003e: Calcium carbonate, mined from ancient reef formations\u003c\/li\u003e\n\u003cli data-section-id=\"1py3doc\" data-start=\"1700\" data-end=\"1766\"\u003e\n\u003cstrong data-start=\"1702\" data-end=\"1711\"\u003eShape\u003c\/strong\u003e: Machined flat bottom for stability; natural top shape\u003c\/li\u003e\n\u003cli data-section-id=\"ufhmru\" data-start=\"1767\" data-end=\"1827\"\u003e\n\u003cstrong data-start=\"1769\" data-end=\"1780\"\u003eFree of\u003c\/strong\u003e: Algae, pests, Aiptasia, and parasitic isopods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2162\" data-end=\"2660\"\u003eThe MarcoRocks Natural Foundation Rock provides a stable, eco-friendly, and pest-free foundation for your marine aquarium. Mined from ancient reef formations, this rock offers a secure base for aquascaping, preventing rock slides and ensuring the long-term stability of your aquarium setup. With its natural appearance and customizable pieces, it’s the perfect solution for both hobbyists and professionals looking for a high-quality foundation rock for their aquascapes.\u003c\/p\u003e","brand":"MarcoRocks","offers":[{"title":"Default Title","offer_id":52969916891430,"sku":"MR-FOUND-20LB","price":430.0,"currency_code":"QAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/3868\/9830\/files\/MR-Foundation-Natural-Single-2__79424_f17055c2-2e06-4798-b509-a48a6c625efb.jpg?v=1778917612"},{"product_id":"marcorocks-mr-double-side-cut-rock-20lb-box-natural","title":"MarcoRocks MR Double Side Cut Rock - 20lb Box Natural","description":"\u003cp data-start=\"208\" data-end=\"821\"\u003eThe MR Double Side Cut Rock by MarcoRocks is a specialized, all-natural calcium carbonate dry rock designed for reef and marine aquariums. This \"Natural\" version, packaged in a 20lb box, stands out for its unique dual-flat surfaces, providing both stability and versatility in aquascaping. Ideal for creating solid foundation layers or intricate aquascapes, this rock guarantees a stable, pest-free environment. It is sourced from ancient reef formations, ensuring a sustainable and eco-friendly choice that enhances your aquarium’s biological filtration with its high porosity.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1s1yvt8\" data-start=\"823\" data-end=\"844\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"827\" data-end=\"844\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"845\" data-end=\"1551\"\u003e\n\u003cli data-section-id=\"1ymcmnn\" data-start=\"845\" data-end=\"982\"\u003e\n\u003cstrong data-start=\"847\" data-end=\"869\"\u003eDual Flat Surfaces\u003c\/strong\u003e: Designed with two smooth, flat sides, offering enhanced stability and more versatility than standard reef rock.\u003c\/li\u003e\n\u003cli data-section-id=\"1rvusrm\" data-start=\"983\" data-end=\"1136\"\u003e\n\u003cstrong data-start=\"985\" data-end=\"998\"\u003eStability\u003c\/strong\u003e: Highly recommended for use as a foundation layer against the bottom glass to provide a secure base for tall or multi-layered aquascapes.\u003c\/li\u003e\n\u003cli data-section-id=\"gh15ps\" data-start=\"1137\" data-end=\"1284\"\u003e\n\u003cstrong data-start=\"1139\" data-end=\"1160\"\u003ePest-Free \u0026amp; Clean\u003c\/strong\u003e: Dry mined rock, 100% free of nuisance algae, Aiptasia, mantis shrimp, and flatworms that are often found in wet live rock.\u003c\/li\u003e\n\u003cli data-section-id=\"4vur5d\" data-start=\"1285\" data-end=\"1398\"\u003e\n\u003cstrong data-start=\"1287\" data-end=\"1302\"\u003eSustainable\u003c\/strong\u003e: Sourced from ancient reef formations, making it an eco-friendly alternative to live reef rock.\u003c\/li\u003e\n\u003cli data-section-id=\"cf8hs2\" data-start=\"1399\" data-end=\"1551\"\u003e\n\u003cstrong data-start=\"1401\" data-end=\"1421\"\u003ePorous Structure\u003c\/strong\u003e: The rock’s high porosity provides an excellent surface area for beneficial nitrifying bacteria, aiding in biological filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"e8he8i\" data-start=\"2005\" data-end=\"2028\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2009\" data-end=\"2028\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2029\" data-end=\"2358\"\u003e\n\u003cli data-section-id=\"xdqeq3\" data-start=\"2029\" data-end=\"2051\"\u003e\n\u003cstrong data-start=\"2031\" data-end=\"2041\"\u003eWeight\u003c\/strong\u003e: 20lb Box\u003c\/li\u003e\n\u003cli data-section-id=\"pi2z0i\" data-start=\"2052\" data-end=\"2131\"\u003e\n\u003cstrong data-start=\"2054\" data-end=\"2065\"\u003eSurface\u003c\/strong\u003e: Dual-flat surfaces for enhanced stability and custom aquascaping\u003c\/li\u003e\n\u003cli data-section-id=\"18hxta2\" data-start=\"2132\" data-end=\"2185\"\u003e\n\u003cstrong data-start=\"2134\" data-end=\"2146\"\u003eMaterial\u003c\/strong\u003e: Natural calcium carbonate (aragonite)\u003c\/li\u003e\n\u003cli data-section-id=\"a79mak\" data-start=\"2186\" data-end=\"2276\"\u003e\n\u003cstrong data-start=\"2188\" data-end=\"2200\"\u003ePorosity\u003c\/strong\u003e: High, ideal for promoting bacterial colonization and biological filtration\u003c\/li\u003e\n\u003cli data-section-id=\"1kpwopi\" data-start=\"2277\" data-end=\"2358\"\u003e\n\u003cstrong data-start=\"2279\" data-end=\"2292\"\u003ePest-Free\u003c\/strong\u003e: Free from nuisance algae, Aiptasia, mantis shrimp, and flatworms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2360\" data-end=\"2932\"\u003eThe MarcoRocks MR Double Side Cut Rock - 20lb Box Natural is the perfect choice for creating a solid, secure foundation and versatile aquascapes in reef and marine aquariums. Its unique dual-flat surfaces provide stability, making it ideal for use as a base layer or in creating ledges and shelves. Sourced from sustainable, ancient reef formations and free of harmful pests, it ensures a clean, healthy environment for your aquarium. With its porous structure promoting biological filtration, it’s the ideal addition to any aquascaping project.\u003c\/p\u003e","brand":"MarcoRocks","offers":[{"title":"Default Title","offer_id":52969916924198,"sku":"MR-DSC-20LB","price":440.0,"currency_code":"QAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/3868\/9830\/files\/MR-Double-sided-Natural-Group_1__13885_006f1984-2ebe-4271-aa25-0e94553e0f7d.jpg?v=1778917588"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/3868\/9830\/collections\/MR-Foundation-Natural-Single-2__79424.jpg?v=1779128543","url":"https:\/\/royalreefsupply.com\/collections\/rock-sand-copy.oembed","provider":"Royal Reef Supply","version":"1.0","type":"link"}