{"product_id":"wio-gravel-ryuoh-seriyu","title":"WIO Gravel - Ryuoh(Seriyu)","description":"\u003cp\u003eUnleash dramatic depths with the dark allure of Ryuoh Gravel — an elegant and modern pebble choice that infuses your aquatic or terrarium scapes with a sense of refined drama.\u003c\/p\u003e\n\u003cp\u003eImagine a canvas of deep charcoal grays punctuated by occasional white stripes, reminiscent of a moonlit night. Each pebble, a fragment of natural art, contributes to a dynamic yet sophisticated environment. Perfect for simulating natural riverbeds or as a bold contrast in detailed aquascapes, Ryuoh Gravel enhances the space it occupies. It is part of the WIO Ryuoh series — pairing beautifully with Ryuoh Stone and Ryuoh Boulder (also known as Seiryu Stone) and offering endless creative possibilities when combined with these iconic stones.\u003c\/p\u003e\n\u003cp\u003ePre-washed for your convenience, Ryuoh Gravel is ready to make a statement in your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Points\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eColor: Sophisticated dark gray with white stripes\u003c\/li\u003e\n\u003cli\u003eGravel Size: Mix size ranging from 10–40 mm\u003c\/li\u003e\n\u003cli\u003eTexture: Angular polished pebbles for a contemporary look\u003c\/li\u003e\n\u003cli\u003eMatching: Complements Ryuoh Stone and Boulder series, or any dark grey stone or boulder\u003c\/li\u003e\n\u003cli\u003eResults: Stunning bold contrast for your scapes, forming a dark backdrop that accentuates every detail\u003c\/li\u003e\n\u003cli\u003eReady to Use: 100% pre-washed — minimal rinsing required\u003c\/li\u003e\n\u003cli\u003eWater Hardness: May slightly raise pH and kH\u003c\/li\u003e\n\u003cli\u003eSafety: Safe for all inhabitants — fish, shrimp, and more\u003c\/li\u003e\n\u003cli\u003eVersatile: Perfect for aquariums, paludariums, and terrariums\u003c\/li\u003e\n\u003cli\u003ePackaging: Available in 2 kg and 5 kg (Mix) bags\u003c\/li\u003e\n\u003cli\u003eOrigin: Made in Europe, crafted with quality and authenticity in mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCharacteristics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Natural calcareous gravel\u003c\/li\u003e\n\u003cli\u003eColor: Dark gray with white stripes\u003c\/li\u003e\n\u003cli\u003eGravel Size: Mix — 10–40 mm\u003c\/li\u003e\n\u003cli\u003eWater Hardness: May slightly raise pH and kH\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAvailability at Cuboid Nature Aquarium\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eMix — 2 kg (4.4 lb) Bag\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMix — 5 kg (11 lb) Bag\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eUsage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePre-washed and ready to use, though additional rinsing can be done to ensure cleanliness\u003c\/li\u003e\n\u003cli\u003eSpread the pebbles evenly along the bottom of your empty tank or terrarium; pour gently from a low height to avoid scratching the aquarium glass\u003c\/li\u003e\n\u003cli\u003eUse on its own for a natural base, or combine with other WIO sands and gravels for a custom substrate look\u003c\/li\u003e\n\u003cli\u003eArrange rocks, driftwood, and plants to create a harmonious and captivating environment\u003c\/li\u003e\n\u003cli\u003eWhen filling the tank, pour water carefully avoiding direct flow onto the gravel — Pro Tip: pour over a plate or décor to minimize disturbance\u003c\/li\u003e\n\u003cli\u003eUse a net to skim any floating particles, then turn on the filter and watch the remaining cloudiness disappear within a few hours, leaving a clear, natural finish\u003c\/li\u003e\n\u003cli\u003eFor maintenance, regularly vacuum clean the pebbles with every water change to remove any accumulated debris or algae\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eAvailable from Cuboid Nature Aquarium — Authorized Retailer for WIO.\u003c\/em\u003e\u003c\/p\u003e","brand":"WIO","offers":[{"title":"Mix - 5kg (11lbs)","offer_id":51202890203447,"sku":"44131","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/8748\/1655\/files\/5f6902_d91f5e0d4aa14389ab0dcad3040fb496_mv2.avif?v=1760382002","url":"https:\/\/cuboidstore.com\/products\/wio-gravel-ryuoh-seriyu","provider":"Cuboid Aquatics LLC","version":"1.0","type":"link"}