{"product_id":"gaspro-polished-black-river-rocks-15-lb-1-2-large-decorative-pebbles-for-planters-drainage-aquarium-decor","title":"GASPRO Polished Black River Rocks 15 lb — 1–2\" Large Decorative Pebbles for Planters, Drainage \u0026 Aquarium Decor","description":"\u003cp\u003e\u003cstrong\u003eGASPRO 15 lb polished black river rocks are smooth, natural 1–2 inch cobblestones designed to enhance landscaping, potted plants, vases, and aquarium displays.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese polished black pebbles come in a 15 lb bag of natural river stones that have been tumbled to a glossy finish. Each stone measures about 1–2 inches, offering a consistent, modern look that works indoors and outdoors. Because they’re genuine cobblestone without artificial dyes, they keep their color and durability over time while providing functional benefits like improved drainage and erosion control.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these black river rocks change the look of my garden or planter?\u003c\/h3\u003e\n\n\u003cp\u003ePolished black stones create a neat, contemporary contrast against green foliage and soil, making plant colors pop and hardscapes appear more refined. Their smooth finish reflects light subtly for a low-maintenance polished appearance that complements modern and traditional designs alike.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eConsistent 1–2\" size for an even groundcover or top-dressing.\u003c\/li\u003e\n  \u003cli\u003eDeep black tone enhances color contrast with plants and mulch.\u003c\/li\u003e\n  \u003cli\u003ePolished texture delivers a clean, low-gloss sheen without gloss agents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these stones help with plant health and drainage?\u003c\/h3\u003e\n\n\u003cp\u003eUsed as a top layer or mixed into potting mixes, these river rocks assist with air exchange and water movement while reducing soil compaction and surface erosion. They don’t retain harmful chemicals because they’re natural cobblestone, so they’re safe for decorative plant applications.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eImproves surface drainage and reduces soil crusting in pots and beds.\u003c\/li\u003e\n  \u003cli\u003eHelps prevent erosion on slopes and garden edges when used as mulch.\u003c\/li\u003e\n  \u003cli\u003eProvides a breathable layer that moderates moisture loss and protects roots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these pebbles suitable for indoor use like vases and aquariums?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the polished stones are ideal for vase fillers, terrarium bases, and aquarium décor. They’re inert, durable, and free from synthetic dyes, which makes them appropriate for decorative water features and fish-safe setups after a thorough rinse.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSafe for aquariums after rinsing; natural composition avoids leaching.\u003c\/li\u003e\n  \u003cli\u003ePerfect for vase displays, candle surrounds, and tabletop arrangements.\u003c\/li\u003e\n  \u003cli\u003ePolished finish reduces dust and simplifies cleaning for indoor use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow much area will one 15 lb bag cover and what is the stone quality?\u003c\/h3\u003e\n\n\u003cp\u003eOne 15 lb bag typically covers approximately 3.42 square feet when used as a thin decorative top layer; coverage varies with application depth. These are genuine cobblestone pebbles, naturally tumbled for a smooth texture and high wear resistance, giving long-lasting visual appeal.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBag weight: 15 lb; approximate coverage: 3.42 sq ft at a light layer.\u003c\/li\u003e\n  \u003cli\u003eStone size: predominantly 1–2 inches for uniform appearance.\u003c\/li\u003e\n  \u003cli\u003eDurability: wear- and corrosion-resistant natural rock without dyes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: GASPRO polished black river rocks are aimed at homeowners, landscapers, hobby gardeners, florists, and aquarium hobbyists who want a natural, low-maintenance decorative stone that doubles as a functional landscape material. Choose this 15 lb pack if you need a cost-effective supply of 1–2 inch polished stones for planters, garden beds, indoor displays, or small water features.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these black river rocks safe for aquariums?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Rinse them thoroughly first; the natural cobblestone is inert and suitable for aquarium decor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much area does a 15 lb bag cover?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A 15 lb bag covers about 3.42 sq ft as a light top layer; coverage varies by depth and use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GASPRO","offers":[{"title":"Default Title","offer_id":56833201832276,"sku":"B087M8VP1P","price":84.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/gaspro-front-packaging-black-river-rocks.jpg?v=1787038809","url":"https:\/\/gardenluxe.co.uk\/products\/gaspro-polished-black-river-rocks-15-lb-1-2-large-decorative-pebbles-for-planters-drainage-aquarium-decor","provider":"Gardenluxe Uk","version":"1.0","type":"link"}