{"product_id":"brightwell-aquatics-florinvolcanit-rio-cafe-f-5-lbs","title":"Brightwell Aquatics FlorinVolcanit Rio Café-F – 5 lbs","description":"\u003cp\u003e\u003cstrong\u003eBrightwell Aquatics FlorinVolcanit Rio Café-F\u003c\/strong\u003e is a premium brown aquarium substrate made from natural fired volcanic ash and designed for planted freshwater aquariums, shrimp tanks, and biotope-style setups.\u003c\/p\u003e\n\u003cp\u003eThe approximately \u003cstrong\u003e3 mm fine-particle substrate\u003c\/strong\u003e helps create an effective rooting medium for aquatic plants while also supporting water conditions preferred by many plants, fish, and invertebrates that thrive in slightly acidic, low-GH freshwater environments.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNatural fired volcanic ash substrate\u003c\/li\u003e\n\u003cli\u003eFine approximately \u003cstrong\u003e3 mm particle size\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eNatural brown coloration\u003c\/li\u003e\n\u003cli\u003eExcellent for planted aquariums\u003c\/li\u003e\n\u003cli\u003eIdeal for freshwater shrimp and shrimp biotope aquariums\u003c\/li\u003e\n\u003cli\u003eHelps support strong aquatic plant root development\u003c\/li\u003e\n\u003cli\u003eEncourages nutrient uptake through plant roots\u003c\/li\u003e\n\u003cli\u003eHelps maintain oxygenated root zones\u003c\/li\u003e\n\u003cli\u003eCan help lower general hardness (GH)\u003c\/li\u003e\n\u003cli\u003eMay gently acidify alkaline water to a pH below 7\u003c\/li\u003e\n\u003cli\u003eCan be used as the primary aquarium substrate\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Brightwell Aquatics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e FlorinVolcanit Rio Café-F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 5 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Brown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParticle Size:\u003c\/strong\u003e Approximately 3 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Fired natural volcanic ash\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquarium Type:\u003c\/strong\u003e Freshwater\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e Planted aquariums, shrimp tanks, and freshwater biotopes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Manufacture:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDesigned for Planted Aquariums\u003c\/h3\u003e\n\u003cp\u003eFlorinVolcanit Rio Café-F is designed to provide aquatic plants with a stable substrate that encourages healthy root development.\u003c\/p\u003e\n\u003cp\u003eThe structure of the substrate allows water to circulate through spaces between the particles, helping nutrients reach plant roots while maintaining adequate oxygen around the root system.\u003c\/p\u003e\n\u003cp\u003eThis makes Rio Café-F especially useful for aquariums containing rooted plants that obtain a significant portion of their nutrients through their roots.\u003c\/p\u003e\n\u003ch3\u003eIdeal for Shrimp Aquariums\u003c\/h3\u003e\n\u003cp\u003eRio Café-F is particularly well suited for \u003cstrong\u003efreshwater shrimp and shrimp biotope aquariums\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts ability to influence general hardness and pH can help create the softer, slightly acidic conditions preferred by many freshwater shrimp species.\u003c\/p\u003e\n\u003cp\u003eAlways match water chemistry to the specific requirements of the shrimp, fish, and plants being maintained.\u003c\/p\u003e\n\u003ch3\u003eWater Chemistry Benefits\u003c\/h3\u003e\n\u003cp\u003eBrightwell Aquatics FlorinVolcanit Rio Café-F can bind elements that contribute to general hardness.\u003c\/p\u003e\n\u003cp\u003eAs a result, the substrate may:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGradually lower general hardness (GH)\u003c\/li\u003e\n\u003cli\u003eGently acidify alkaline water\u003c\/li\u003e\n\u003cli\u003eHelp create water conditions below pH 7 under appropriate conditions\u003c\/li\u003e\n\u003cli\u003eSupport species that prefer softer, slightly acidic water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe exact effect will depend on the aquarium's starting water chemistry, alkalinity, mineral content, and other products being used.\u003c\/p\u003e\n\u003ch3\u003eNatural Volcanic Ash\u003c\/h3\u003e\n\u003cp\u003eRio Café-F is made from natural volcanic ash formed into firm but slightly pliable particles.\u003c\/p\u003e\n\u003cp\u003eThe particles are designed to retain their shape while providing a semi-open substrate structure that promotes water movement and oxygen availability throughout the substrate bed.\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eIn most applications, \u003cstrong\u003eFlorinVolcanit Rio Café-F does not need to be rinsed before use\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor best results:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBegin with a clean, empty aquarium\u003c\/li\u003e\n\u003cli\u003eAdd Rio Café-F to the desired substrate depth\u003c\/li\u003e\n\u003cli\u003eSlope the substrate from front to back if desired for aquascaping\u003c\/li\u003e\n\u003cli\u003eSlowly add enough prepared aquarium water to barely cover the substrate\u003c\/li\u003e\n\u003cli\u003ePlant the aquarium\u003c\/li\u003e\n\u003cli\u003eSlowly fill the remaining aquarium volume to avoid disturbing the substrate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdding the substrate directly to an aquarium already filled with water may result in temporary cloudiness.\u003c\/p\u003e\n\u003ch3\u003eRecommended Substrate Depth\u003c\/h3\u003e\n\u003cp\u003eThe appropriate depth will depend on the plants being grown and the design of the aquarium.\u003c\/p\u003e\n\u003cp\u003eDeeper substrate areas can be useful for heavily rooted plants, while shallower areas may be suitable for open spaces or foreground areas.\u003c\/p\u003e\n\u003ch3\u003eCompatible Supplements\u003c\/h3\u003e\n\u003cp\u003eThe porous structure of Rio Café-F allows aquarium water, liquid fertilizers, and microbial supplements to circulate throughout the substrate bed.\u003c\/p\u003e\n\u003cp\u003eBrightwell Aquatics recommends its Florin line of planted aquarium supplements where appropriate and notes that FlorinBacter can be used to help establish beneficial microbial populations within the substrate.\u003c\/p\u003e\n\u003ch3\u003eHow Long Does It Last?\u003c\/h3\u003e\n\u003cp\u003eThe volcanic ash particles are designed to remain intact for an extended period, but longevity will depend on aquarium water chemistry.\u003c\/p\u003e\n\u003cp\u003eHigher alkalinity and frequent use of alkaline buffers or pH-increasing products can cause the substrate to deteriorate more quickly.\u003c\/p\u003e\n\u003cp\u003eOver time, the substrate's ability to influence hardness and pH will gradually decrease.\u003c\/p\u003e\n\u003ch3\u003eImportant Use Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDo not use with undergravel filtration\u003c\/li\u003e\n\u003cli\u003eAvoid unnecessarily disturbing an established substrate bed\u003c\/li\u003e\n\u003cli\u003eMonitor pH, GH, KH, ammonia, and nitrite when establishing a new aquarium\u003c\/li\u003e\n\u003cli\u003eUse caution with livestock requiring hard or strongly alkaline water\u003c\/li\u003e\n\u003cli\u003eAlkaline buffers may shorten the effective life of the substrate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Brightwell FlorinVolcanit Rio Café-F made from?\u003c\/strong\u003e\u003cbr\u003eIt is made from natural fired volcanic ash formed into approximately 3 mm substrate particles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat color is Rio Café-F?\u003c\/strong\u003e\u003cbr\u003eRio Café-F has a natural brown appearance that works well in planted and natural-style aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs FlorinVolcanit Rio Café-F good for shrimp?\u003c\/strong\u003e\u003cbr\u003eYes. Brightwell specifically recommends Rio Café-F for freshwater shrimp and shrimp biotope aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes FlorinVolcanit lower pH?\u003c\/strong\u003e\u003cbr\u003eIt can gently acidify alkaline water and may help bring the pH below 7 depending on the aquarium's starting water chemistry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Rio Café-F lower GH?\u003c\/strong\u003e\u003cbr\u003eYes. The substrate binds elements that contribute to general hardness and can gradually reduce GH.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Rio Café-F good for aquarium plants?\u003c\/strong\u003e\u003cbr\u003eYes. It is designed to promote strong root development, nutrient uptake, and oxygenation around aquatic plant roots.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to rinse FlorinVolcanit before using it?\u003c\/strong\u003e\u003cbr\u003eGenerally no. Brightwell states that rinsing is typically not required before placing Rio Café-F into a new aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use Rio Café-F with an undergravel filter?\u003c\/strong\u003e\u003cbr\u003eNo. Brightwell advises against using this substrate with undergravel filtration.\u003c\/p\u003e\n\u003ch3\u003eAvailable at Tropical Treasures Wyo\u003c\/h3\u003e\n\u003cp\u003eBrightwell Aquatics FlorinVolcanit Rio Café-F – 5 lbs is available from \u003cstrong\u003eTropical Treasures Wyo\u003c\/strong\u003e in Cheyenne, Wyoming, when in stock.\u003c\/p\u003e\n\u003cp\u003ePerfect for planted freshwater aquariums, shrimp tanks, and aquascapes requiring a natural brown substrate with water-conditioning properties.\u003c\/p\u003e","brand":"Tropical Treasures Wyo LLC","offers":[{"title":"Default Title","offer_id":67656266547413,"sku":null,"price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4545\/8133\/files\/rn-image_picker_lib_temp_dacbed65-ceb4-4403-8d69-9ec5ece79f67.heic?v=1791233286","url":"https:\/\/tropicaltreasureswyo.com\/products\/brightwell-aquatics-florinvolcanit-rio-cafe-f-5-lbs","provider":"Tropical Treasures Wyo LLC","version":"1.0","type":"link"}