{"product_id":"b0dxfvqg18","title":"Ultum Nature Systems Controbase – Nutrient-Rich Aquarium Substrate for Live Plants, Fish Tank Aqua Soil for Planted Aquarium, Aquascaping - Aquarium Base Layer, Fertilizing Substrate - 2L, 2.5LB","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNutrient-Enriched Freshwater Aquarium Substrate with Pumice Stone for Plant Health – UNS fish tank gravel rocks infused with slow-releasing nitrogen, potassium, phosphorus, and trace elements, Controbase continuously nourishes live aquatic plants and regulates excess nutrients.\u003c\/li\u003e\n\u003cli\u003eOptimal Base Layer Aquarium Substrate for Live Plants and Aquascaping Stability – Designed to be placed beneath Aqua Soil, Controbase prevents excessive aquarium soil disturbance, improves substrate stability, and supports plant roots for long-term growth.\u003c\/li\u003e\n\u003cli\u003eEnhances Water Flow and Beneficial Bacteria Growth – The aquatic plant substrate aquarium gravel 6-8mm porous granules promote oxygen exchange and water circulation, enriching aqua soil for planted aquariums, and creating a thriving environment for root-feeding plants and biological filtration.\u003c\/li\u003e\n\u003cli\u003eIdeal aquarium soil for a freshwater tank. Designed exclusively for freshwater planted aquariums. Controbase layer of nutrient-rich substrate for aquarium plants provides an alternative to a cap layer of gravel or aquarium sand for freshwater tanks capping an aquasoil, preventing from clouding the water, and providing root support for plants. Not suitable for saltwater environments.\u003c\/li\u003e\n\u003cli\u003ePre-Bagged Substrate Mesh Packs for Custom Aquascaping Layouts – Controbase substrate for aquariums comes in 0.5L mesh filter bags for easy substrate barrier placement, stacking, and slope creation, allowing the best precise control over the soil for aquascaping designs.\u003c\/li\u003e\n\u003cli\u003eCompatible with UNS Controsoil and Controsand – Works seamlessly under UNS Controsoil - aquarium soil for nutrient-demanding plants or with UNS Controsand - sand for fish tank balanced, structured aquascape.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UltumNatureSystems","offers":[{"title":"Default Title","offer_id":51211711545560,"sku":"B0DXFVQG18","price":63.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/9890\/5816\/files\/71kn-IlcFbL._AC_SL1500.jpg?v=1765961316","url":"https:\/\/0w4cpd-be.myshopify.com\/products\/b0dxfvqg18","provider":"The Living Pane","version":"1.0","type":"link"}