{"product_id":"caribsea-super-naturals-midnight-river-5-lb","title":"CaribSea Super Naturals Midnight River 5 lb Aquarium Substrate","description":"\u003cp\u003e\u003cstrong\u003eCaribSea Super Naturals Midnight River\u003c\/strong\u003e is a dark, natural-looking aquarium substrate designed to enhance the colors of freshwater fish, shrimp, snails, and live plants. Its deep black and gray gravel blend creates a bold riverbed appearance while adding contrast and depth to planted aquariums, nano tanks, and aquascaped freshwater setups.\u003c\/p\u003e\n\u003cp\u003eThe smooth, aquarium-safe grains are gentle on bottom-dwelling fish such as corydoras, loaches, and plecos. Midnight River is pH neutral and designed not to alter aquarium water chemistry when used as directed, making it a versatile substrate choice for community tanks, planted aquariums, shrimp tanks, and decorative aquascapes.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBold Dark Riverbed Look:\u003c\/strong\u003e Deep black and gray gravel tones create strong contrast in freshwater aquariums.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhances Fish Color:\u003c\/strong\u003e Dark substrate helps bright fish, shrimp, and live plants stand out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth \u0026amp; Fish-Safe:\u003c\/strong\u003e Gentle on corydoras, loaches, plecos, shrimp, snails, and bottom-dwelling species.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant Friendly:\u003c\/strong\u003e Provides a stable base for live plants and aquascaping layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Neutral:\u003c\/strong\u003e Designed not to alter aquarium water chemistry when used as directed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Washed:\u003c\/strong\u003e Helps make aquarium setup faster and easier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 lb Bag:\u003c\/strong\u003e Ideal for nano tanks, small aquariums, or decorative top layers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e CaribSea\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollection:\u003c\/strong\u003e Super Naturals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Midnight River Aquarium Substrate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 5 lb bag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Dark black and gray gravel blend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrain Size:\u003c\/strong\u003e Approximately 1–3 mm smooth gravel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Chemistry:\u003c\/strong\u003e pH neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e Nano tanks, planted aquariums, shrimp tanks, community tanks, and aquascapes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNano aquariums\u003c\/li\u003e\n\u003cli\u003eSmall freshwater tanks\u003c\/li\u003e\n\u003cli\u003eBetta aquariums\u003c\/li\u003e\n\u003cli\u003eShrimp tanks\u003c\/li\u003e\n\u003cli\u003eSnail tanks\u003c\/li\u003e\n\u003cli\u003eCorydoras aquariums\u003c\/li\u003e\n\u003cli\u003eLoach aquariums\u003c\/li\u003e\n\u003cli\u003ePleco setups\u003c\/li\u003e\n\u003cli\u003ePlanted aquariums\u003c\/li\u003e\n\u003cli\u003eDark natural riverbed aquascapes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCoverage Guide\u003c\/h3\u003e\n\u003cp\u003eAs a general guide, plan on approximately \u003cstrong\u003e1 pound of substrate per gallon\u003c\/strong\u003e for a shallow 1-inch substrate bed. A 5 lb bag is best for nano aquariums, small tanks, decorative top layers, or accent sections in larger aquascapes.\u003c\/p\u003e\n\u003cp\u003eActual coverage can vary depending on tank dimensions, desired substrate depth, hardscape placement, and aquascaping style.\u003c\/p\u003e\n\u003ch3\u003eSetup Tips\u003c\/h3\u003e\n\u003cp\u003eAlthough Midnight River is pre-washed, rinsing before use can help reduce initial cloudiness. Add water slowly over a plate, bowl, or plastic bag to avoid disturbing the gravel bed. Allow filtration to clear any remaining fine particles before adding livestock.\u003c\/p\u003e\n\u003cp\u003eFor planted aquariums, use root tabs or a nutrient-rich base layer for heavy root-feeding plants.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose CaribSea Midnight River?\u003c\/h3\u003e\n\u003cp\u003eCaribSea Super Naturals Midnight River is a great choice for aquarists who want a darker, natural-looking substrate that makes fish and plants pop. The black and gray gravel blend creates a realistic riverbed style while giving the aquarium a clean, polished look.\u003c\/p\u003e\n\u003cp\u003eThe smaller 5 lb size is especially useful for nano tanks, shrimp tanks, betta aquariums, planted bowls, decorative top layers, and accent areas in larger freshwater aquascapes.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes CaribSea Midnight River make fish colors stand out?\u003c\/h4\u003e\n\u003cp\u003eYes. The dark substrate creates contrast, helping colorful fish like tetras, mollies, guppies, bettas, shrimp, and live plants stand out more clearly.\u003c\/p\u003e\n\u003ch4\u003eIs Midnight River safe for bottom feeders?\u003c\/h4\u003e\n\u003cp\u003eYes. The smooth grains are safe for many bottom-dwelling fish, including corydoras, loaches, and plecos, when used properly.\u003c\/p\u003e\n\u003ch4\u003eWill Midnight River change my pH?\u003c\/h4\u003e\n\u003cp\u003eNo. CaribSea Super Naturals Midnight River is pH neutral and designed not to alter aquarium water chemistry when used as directed.\u003c\/p\u003e\n\u003ch4\u003eHow much does a 5 lb bag cover?\u003c\/h4\u003e\n\u003cp\u003eA 5 lb bag is best for nano tanks, small aquariums, decorative top layers, or accent areas. For a shallow 1-inch substrate bed, plan on about 1 pound of substrate per gallon.\u003c\/p\u003e\n\u003ch4\u003eCan Midnight River be used in planted tanks?\u003c\/h4\u003e\n\u003cp\u003eYes. It provides a stable base for live plants and aquascaping. For heavy root-feeding plants, use root tabs or a nutrient-rich base layer.\u003c\/p\u003e\n\u003ch4\u003eShould I rinse Midnight River before use?\u003c\/h4\u003e\n\u003cp\u003eYes. Even though it is pre-washed, rinsing before use can help reduce initial cloudiness.\u003c\/p\u003e\n\u003ch3\u003eAvailable at Tropical Treasures Wyo\u003c\/h3\u003e\n\u003cp\u003eShop \u003cstrong\u003eCaribSea Super Naturals Midnight River 5 lb Aquarium Substrate\u003c\/strong\u003e online or in-store at Tropical Treasures Wyo in Cheyenne, Wyoming. This dark natural aquarium gravel is a great choice for nano tanks, planted aquariums, shrimp tanks, corydoras setups, loach aquariums, pleco tanks, and freshwater aquascapes.\u003c\/p\u003e","brand":"Tropical Treasures Wyo LLC","offers":[{"title":"Default Title","offer_id":52029181853909,"sku":null,"price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4545\/8133\/files\/MidnightRiverbag.jpg?v=1757680722","url":"https:\/\/tropicaltreasureswyo.com\/products\/caribsea-super-naturals-midnight-river-5-lb","provider":"Tropical Treasures Wyo LLC","version":"1.0","type":"link"}