{"product_id":"ultum-nature-systems-controsoil-freshwater-aqua-soil-substrate-for-plants-fish-shrimp-3l-black-volcanic-ash-6-8-ph","title":"Ultum Nature Systems Controsoil - Freshwater Aqua Soil Substrate for Plants, Fish \u0026 Shrimp (3L, Black Volcanic Ash, 6.8 pH)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eUltum Nature Systems Controsoil is a volcanic ash–based freshwater aqua soil designed to support rooted aquatic plants, fish, and shrimp in lush aquascapes. Its deep black color adds contrast to plant foliage while providing a nutrient-rich base for roots, helping you craft a visually balanced, thriving tank.\u003c\/p\u003e\u003cp\u003eEngineered for planted tanks, Controsoil blends granular textures with a composition that favors healthy root zones and steady nutrient availability. This substrate aims to combine performance with aesthetic appeal across a range of aquascaping styles.\u003c\/p\u003e\n\u003ch2\u003eKey Benefits for Your Tank\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for planted aquariums: granular sizes promote oxygen exchange and root nutrient delivery.\u003c\/li\u003e\n  \u003cli\u003eLow ammonia release to support balanced microbial growth and clearer water paths.\u003c\/li\u003e\n  \u003cli\u003eNo rinsing required: actively absorbs impurities to help clarify cloudy water.\u003c\/li\u003e\n  \u003cli\u003epH and KH buffering: nudges water toward a slightly acidic range and reduces hardness for plant-friendly conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal Inhabitants and Setups\u003c\/h2\u003e\n\u003cp\u003eSuitable for freshwater fish and shrimp that prefer softer, slightly acidic water. The 6.8 pH target helps create a natural feel for many community tanks while supporting plant nutrition.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks well in aquascapes featuring live aquatic plants and root feeders.\u003c\/li\u003e\n  \u003cli\u003ePairs nicely with shrimp and small tropical fish that favor gentle buffer environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIn Real-Life Use\u003c\/h2\u003e\n\u003cp\u003eIn practical setups, Controsoil acts as a base for root growth and as a visual stage for your plants. The volcanic ash composition provides a rich, earthy look that complements green flora and the natural colors of fish. Expect the substrate to settle quickly and begin interacting with plant roots and microbial life.\u003c\/p\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eThere is no rinsing required with Controsoil. Simply add to your aquarium, arrange plants, and fill with water. The substrate is available in a 3 liter (6 lb) size and comes in a Black color that suits many aquascapes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSize: 3 Liter | ~6 lb per pack\u003c\/li\u003e\n  \u003cli\u003eColor: Black from volcanic ash content\u003c\/li\u003e\n  \u003cli\u003eIdeal pH: around 6.8 for plants and certain invertebrates\u003c\/li\u003e\n  \u003cli\u003eBuffering: supports lower hardness to facilitate nutrient uptake\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What makes Controsoil suitable for planted freshwater tanks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A volcanic ash–based substrate that buffers pH, lowers hardness, and supports plant roots while limiting ammonia release.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to rinse Controsoil before adding it to my aquarium?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No rinsing is required; Controsoil can be added directly to the tank to help absorb impurities and improve clarity.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ultum Nature Systems","offers":[{"title":"Default Title","offer_id":40564286849153,"sku":"B07C2QZC6Z","price":94.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/ultum-nature-systems-controsoil-granule-texture-closeup.jpg?v=1765916124","url":"https:\/\/petiva.ca\/products\/ultum-nature-systems-controsoil-freshwater-aqua-soil-substrate-for-plants-fish-shrimp-3l-black-volcanic-ash-6-8-ph","provider":"Petiva","version":"1.0","type":"link"}