{"product_id":"wio-black-ryuoh-stone","title":"WIO - Black Ryuoh Stone","description":"\u003cdiv data-hook=\"content-wrapper\" class=\"vaI0UH\"\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-158\" data-turn-id=\"request-68fc6cec-775c-8321-b40c-2ca84c30a40a-11\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-id=\"8912fb24-886d-4f11-a28b-87953bb918bf\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003ch3 data-start=\"301\" data-end=\"367\"\u003e\u003cstrong data-start=\"303\" data-end=\"367\"\u003eBlack Ryuoh Stone Boxes \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"369\" data-end=\"796\"\u003eBlack Ryuoh Stone is the bold, graphite-black evolution of classic Ryuoh — a dramatic limestone defined by crisp white quartz veins, fractured planes, and deep architectural ridges. Its shadow-catching crevices create instant depth and striking structure, making it one of the most cinematic hardscape stones available. Dry, it shows a refined charcoal sheen; underwater, it transforms into a rich, jet-black centerpiece stone.\u003c\/p\u003e\n\u003cp data-start=\"798\" data-end=\"1034\"\u003e\u003cstrong data-start=\"798\" data-end=\"818\"\u003eAvailable Sizes\u003c\/strong\u003e\u003cbr data-start=\"818\" data-end=\"821\"\u003eMega Box – 46 lb\u003cstrong\u003e \u003c\/strong\u003e(21 kg) \u003cbr data-start=\"938\" data-end=\"941\"\u003eNano Bags – 4.4 lb (2 kg)\u003cbr data-start=\"1004\" data-end=\"1007\"\u003eAvailable per pound as well\u003c\/p\u003e\n\u003cp data-start=\"1036\" data-end=\"1145\"\u003e\u003cstrong data-start=\"1036\" data-end=\"1058\"\u003eEach Box Includes\u003c\/strong\u003e\u003cbr data-start=\"1058\" data-end=\"1061\"\u003eNano: Stones from 1\"–6\" (2.5–15 cm)\u003cbr data-start=\"1100\" data-end=\"1103\"\u003eMega: Stones from 1\"–10\" (2.5–25 cm)\u003c\/p\u003e\n\u003cp data-start=\"1147\" data-end=\"1365\"\u003e\u003cstrong data-start=\"1147\" data-end=\"1172\"\u003ePackaging\u003c\/strong\u003e\u003cbr data-start=\"1172\" data-end=\"1175\"\u003eNano – 4.4 lb (2 kg) – For tanks up to ≤18\" (\u003cmeta charset=\"utf-8\"\u003e≤45 cm) \u003cbr data-start=\"1269\" data-end=\"1272\"\u003eMega – 46 lb (21 kg) – For tanks up to ≤36\" (≤ 90 cm)\u003c\/p\u003e\n\u003cp data-start=\"1457\" data-end=\"1869\"\u003e\u003cstrong data-start=\"1457\" data-end=\"1479\"\u003eWhy You’ll Love It\u003c\/strong\u003e\u003cbr data-start=\"1479\" data-end=\"1482\"\u003e✓ Graphite-black coloration with crisp white quartz veining\u003cbr data-start=\"1541\" data-end=\"1544\"\u003e✓ Jagged, architectural planes ideal for Iwagumi and peak-style scapes\u003cbr data-start=\"1614\" data-end=\"1617\"\u003e✓ Turns deep jet-black underwater for dramatic contrast\u003cbr data-start=\"1672\" data-end=\"1675\"\u003e✓ Perfect for cliffs, ridgelines, layered formations, and bold compositions\u003cbr data-start=\"1750\" data-end=\"1753\"\u003e✓ Naturally calcareous — may gently increase hardness\u003cbr data-start=\"1806\" data-end=\"1809\"\u003e✓ Fully safe for all livestock when parameters are monitored\u003c\/p\u003e\n\u003cp data-start=\"1871\" data-end=\"2097\"\u003e\u003cstrong data-start=\"1871\" data-end=\"1885\"\u003eDesign Tip\u003c\/strong\u003e\u003cbr data-start=\"1885\" data-end=\"1888\"\u003ePair Black Ryuoh with Heaven Sand for cinematic black-and-white contrast, or use darker substrates for sleek monochrome scapes. Add Dark Grey Nature Chips around the base for professional seamless transitions.\u003c\/p\u003e\n\u003cp data-start=\"2099\" data-end=\"2393\"\u003e\u003cstrong data-start=\"2099\" data-end=\"2115\"\u003eSpecs \u0026amp; Care\u003c\/strong\u003e\u003cbr data-start=\"2115\" data-end=\"2118\"\u003eStone Type: Calcareous limestone\u003cbr data-start=\"2150\" data-end=\"2153\"\u003eColor: Charcoal when dry; jet-black underwater with white quartz veins\u003cbr data-start=\"2223\" data-end=\"2226\"\u003eTexture: Fractured planes, stepped ridges, natural crevices\u003cbr data-start=\"2285\" data-end=\"2288\"\u003eSize Range: 1\"–10\" (2.5–25 cm) depending on box\u003cbr data-start=\"2339\" data-end=\"2342\"\u003eEffect on Water: May slightly raise pH and hardness\u003c\/p\u003e\n\u003cp data-start=\"2395\" data-end=\"2585\"\u003eRinse thoroughly before use. Place stones on substrate or LandForms to protect glass. Secure stacked pieces with ScapeBound adhesive. Leave space from glass for easier long-term maintenance.\u003c\/p\u003e\n\u003cp data-start=\"2587\" data-end=\"2683\"\u003eSafe for all fish, shrimp, plants, and terrarium animals with routine water-parameter stability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Dalua International LLC","offers":[{"title":"Per Pound","offer_id":58069825093935,"sku":"sku-46243566715031","price":9.95,"currency_code":"USD","in_stock":true},{"title":"4.4 lb Nano Bag","offer_id":58069825126703,"sku":"WIO-BLKRYUHNANO","price":16.95,"currency_code":"USD","in_stock":true},{"title":"46 lb Mega Box","offer_id":58069825159471,"sku":"WIO-RYUBOX21KG","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2172\/7975\/files\/blackryurocks.png?v=1781272688","url":"https:\/\/uniquecorals.com\/products\/wio-black-ryuoh-stone","provider":"UniqueCorals ","version":"1.0","type":"link"}