{"title":"Freshwater Sand, Gravel, \u0026 Substrates","description":"\u003cp\u003ePremium freshwater sand, gravel, and substrates designed for planted tanks, shrimp aquariums, and tropical fish. Create a natural foundation for any aquascape.\u003c\/p\u003e","products":[{"product_id":"uns-controsoil-black-planted-aquarium-substrate","title":"UNS Controsoil Black | Planted Aquarium Substrate","description":"\u003ch1\u003e🖤 UNS Controsoil Black – Planted Aquarium Substrate\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eUNS Controsoil Black\u003c\/strong\u003e is a premium aquascaping substrate engineered to create a stable, plant-friendly foundation for freshwater aquariums. Crafted from a refined blend of natural soil and volcanic ash, Controsoil Black emphasizes \u003cstrong\u003ewater purity, balance, and long-term stability\u003c\/strong\u003e rather than excessive nutrient release—making it ideal for beginners and advanced aquascapers alike.\u003c\/p\u003e\n\u003cp\u003eThe deep black color enhances plant contrast, intensifies fish coloration, and delivers a clean, modern aesthetic for both nature-style and minimalist aquascapes.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🌱 Key Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Rinsing Required\u003c\/strong\u003e – Ready to use straight from the bag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Ammonia Release\u003c\/strong\u003e – Helps avoid harmful spikes during initial setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpurity Absorption\u003c\/strong\u003e – Promotes crystal-clear water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH \u0026amp; kH Buffering\u003c\/strong\u003e – Gently lowers pH and softens water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports Beneficial Bacteria\u003c\/strong\u003e – Encourages healthy biological filtration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant-Optimized Structure\u003c\/strong\u003e – Excellent oxygen exchange and root penetration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShrimp \u0026amp; Fish Safe\u003c\/strong\u003e – Great for planted tanks, shrimp tanks, and community aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🖤 Why Choose Controsoil Black?\u003c\/h2\u003e\n\u003cp\u003eUnlike nutrient-heavy substrates that may cause unstable water parameters, Controsoil Black focuses on \u003cstrong\u003ebalance and control\u003c\/strong\u003e. This allows aquarists to customize fertilization while maintaining consistent conditions. The porous granules create an ideal habitat for beneficial bacteria while anchoring plants securely.\u003c\/p\u003e\n\u003cp\u003eThe dark tone visually deepens aquascapes and makes greens, reds, and metallic fish colors stand out dramatically.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e📏 Available Granule Sizes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra Fine\u003c\/strong\u003e – Best for nano tanks and cosmetic top layers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine\u003c\/strong\u003e – Ideal for foreground and carpeting plants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormal\u003c\/strong\u003e – Standard choice for most planted aquariums and thicker-root plants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0667\/6237\/5466\/files\/UNS-controsoil.png?v=1771144351\" alt=\"\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e📋 Product Information\u003c\/h2\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eUltum Nature Systems (UNS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eControsoil Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePlanted Aquarium Substrate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eNatural Soil \u0026amp; Volcanic Ash Blend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Effect\u003c\/td\u003e\n\u003ctd\u003eLowers pH \u0026amp; kH, Softens Water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRinsing Required\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafe For\u003c\/td\u003e\n\u003ctd\u003eFreshwater Fish, Shrimp, Live Plants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e📐 Application Guide\u003c\/h2\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSubstrate Volume\u003c\/th\u003e\n\u003cth\u003eRecommended Tank Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 Liter\u003c\/td\u003e\n\u003ctd\u003eUp to 2 Gallon Tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 Liter\u003c\/td\u003e\n\u003ctd\u003eUp to 9 Gallon Tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10 Liter\u003c\/td\u003e\n\u003ctd\u003eUp to 20 Gallon Tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMultiple Bags\u003c\/td\u003e\n\u003ctd\u003eLarge Planted Aquariums \/ Aquascapes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eUNS Controsoil Black\u003c\/strong\u003e is the perfect foundation for building a healthy, stable, and visually stunning planted aquarium—whether you’re creating your first aquascape or refining a high-end layout.\u003c\/p\u003e","brand":"UNS","offers":[{"title":"Extra Fine \/ 1L","offer_id":51154739364138,"sku":null,"price":19.99,"currency_code":"USD","in_stock":false},{"title":"Extra Fine \/ 3L","offer_id":51154739396906,"sku":null,"price":29.99,"currency_code":"USD","in_stock":false},{"title":"Extra Fine \/ 10L","offer_id":51154739429674,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false},{"title":"Fine \/ 1L","offer_id":51154739462442,"sku":null,"price":19.99,"currency_code":"USD","in_stock":false},{"title":"Fine \/ 3L","offer_id":51154739495210,"sku":null,"price":29.99,"currency_code":"USD","in_stock":false},{"title":"Fine \/ 10L","offer_id":51154739527978,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false},{"title":"Normale \/ 1L","offer_id":51154739560746,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true},{"title":"Normale \/ 3L","offer_id":51154739593514,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true},{"title":"Normale \/ 10L","offer_id":51154739626282,"sku":null,"price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/6237\/5466\/files\/UNS-Controsoil-Black.webp?v=1771144383"},{"product_id":"uns-controsoil-brown-planted-aquarium-substrate","title":"UNS Controsoil Brown | Planted Aquarium Substrate","description":"\u003ch1\u003e🤎 UNS Controsoil Brown – Planted Aquarium Substrate\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eUNS Controsoil Brown\u003c\/strong\u003e is a premium planted aquarium substrate designed to establish a balanced, natural environment for freshwater aquariums. Formulated from a refined blend of natural soil and volcanic ash, Controsoil Brown prioritizes \u003cstrong\u003ewater stability, impurity absorption, and gentle buffering\u003c\/strong\u003e instead of heavy nutrient release—helping aquarists achieve long-term success with fewer complications.\u003c\/p\u003e\n\u003cp\u003eThe warm brown tone creates a natural riverbed appearance that blends beautifully with driftwood, stones, and botanical elements, making it an excellent choice for nature-style, jungle, and biotope-inspired aquascapes.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🌿 Key Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Rinsing Required\u003c\/strong\u003e – Ready to use straight from the bag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Ammonia Release\u003c\/strong\u003e – Reduces risk of harmful spikes during startup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActively Absorbs Impurities\u003c\/strong\u003e – Helps maintain clear water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH \u0026amp; kH Buffering\u003c\/strong\u003e – Gently lowers pH and softens water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePromotes Beneficial Bacteria Growth\u003c\/strong\u003e – Supports biological filtration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorous Granules\u003c\/strong\u003e – Excellent oxygen exchange and root development\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFish \u0026amp; Shrimp Safe\u003c\/strong\u003e – Ideal for community tanks and shrimp aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🤎 Why Choose Controsoil Brown?\u003c\/h2\u003e\n\u003cp\u003eControsoil Brown focuses on \u003cstrong\u003estability and control\u003c\/strong\u003e, allowing aquarists to fine-tune fertilization and dosing based on plant needs. The porous granules anchor plants securely while creating micro-spaces for beneficial bacteria colonization.\u003c\/p\u003e\n\u003cp\u003eThe earthy brown coloration delivers a softer, more natural aesthetic and enhances green plants, mosses, and wood-heavy layouts.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e📏 Available Granule Sizes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra Fine\u003c\/strong\u003e – Ideal for nano tanks and cosmetic top layers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine\u003c\/strong\u003e – Great for foreground and carpeting plants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormal\u003c\/strong\u003e – Standard choice for most planted aquariums and thicker-root plants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0667\/6237\/5466\/files\/UNS-controsoil.png?v=1771144351\" alt=\"\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e📋 Product Information\u003c\/h2\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eUltum Nature Systems (UNS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eControsoil Brown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePlanted Aquarium Substrate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eNatural Soil \u0026amp; Volcanic Ash Blend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Effect\u003c\/td\u003e\n\u003ctd\u003eLowers pH \u0026amp; kH, Softens Water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRinsing Required\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafe For\u003c\/td\u003e\n\u003ctd\u003eFreshwater Fish, Shrimp, Live Plants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e📐 Application Guide\u003c\/h2\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSubstrate Volume\u003c\/th\u003e\n\u003cth\u003eRecommended Tank Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 Liter\u003c\/td\u003e\n\u003ctd\u003eUp to 2 Gallon Tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 Liter\u003c\/td\u003e\n\u003ctd\u003eUp to 9 Gallon Tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10 Liter\u003c\/td\u003e\n\u003ctd\u003eUp to 20 Gallon Tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMultiple Bags\u003c\/td\u003e\n\u003ctd\u003eLarge Planted Aquariums \/ Aquascapes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eUNS Controsoil Brown\u003c\/strong\u003e provides a dependable, natural foundation for thriving planted aquariums—perfect for aquascapers seeking stability, control, and timeless aesthetics.\u003c\/p\u003e","brand":"UNS","offers":[{"title":"Extra Fine \/ 1L","offer_id":51154740642090,"sku":null,"price":19.99,"currency_code":"USD","in_stock":false},{"title":"Extra Fine \/ 3L","offer_id":51154740674858,"sku":null,"price":29.99,"currency_code":"USD","in_stock":false},{"title":"Extra Fine \/ 10L","offer_id":51154740707626,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false},{"title":"Fine \/ 1L","offer_id":51154740740394,"sku":null,"price":19.99,"currency_code":"USD","in_stock":false},{"title":"Fine \/ 3L","offer_id":51154740773162,"sku":null,"price":29.99,"currency_code":"USD","in_stock":false},{"title":"Fine \/ 10L","offer_id":51154740805930,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false},{"title":"Normale \/ 1L","offer_id":51154740838698,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true},{"title":"Normale \/ 3L","offer_id":51154740871466,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true},{"title":"Normale \/ 10L","offer_id":51154740904234,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/6237\/5466\/files\/UNS-Controsoil-brown-size-soil.jpg?v=1771145408"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/6237\/5466\/collections\/UNS-Controsoil-brown-size-soil.jpg?v=1771145759","url":"https:\/\/tropicflow.com\/collections\/freshwater-sand-gravel-substrates.oembed","provider":"Tropicflow","version":"1.0","type":"link"}