{"product_id":"ecobio-block-natural-volcanic-rock-for-aquarium-clarity-balance-medium-2-pack-15-40-gal-ea","title":"EcoBio-Block Natural Volcanic Rock for Aquarium Clarity \u0026 Balance — Medium 2-Pack (15–40 gal ea.)","description":"\u003ch2\u003eCrystal Clear Water, Less Maintenance\u003c\/h2\u003e\n\u003cp\u003eEcoBio-Block combines mineral-rich volcanic rock with a cement binder to create a natural filtration foundation for freshwater tanks. Each medium stone houses beneficial bacteria that help process organic waste, supporting a cleaner, steadier tank environment without relying on weekly additives.\u003c\/p\u003e\n\u003cp\u003eAs the tank cycles, these stones contribute to a more balanced water chemistry by assisting the breakdown of waste products. While results can vary by setup, many hobbyists observe clearer water and reduced odor as the system stabilizes over time, creating a calmer backdrop for daily viewing and care.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-maintenance alternative to weekly dosing and bottled additives\u003c\/li\u003e\n  \u003cli\u003eSupports water clarity and odor reduction for a more enjoyable aquarium experience\u003c\/li\u003e\n  \u003cli\u003eLeaches back essential minerals, helping replenish calcium and trace elements\u003c\/li\u003e\n  \u003cli\u003eSafe for a variety of freshwater life, including fish, turtles, shrimp, and frogs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat to Expect\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEach stone treats 15–40 gallons; using both stones can cover tanks up to roughly 80 gallons\u003c\/li\u003e\n  \u003cli\u003eMost setups show improvement within 2–6 weeks; some tanks may clear faster, others take a bit longer\u003c\/li\u003e\n  \u003cli\u003eInitial slight cloudiness during the first week is normal as your tank stabilizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSetup and Use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRinse the EcoBio-Block in chlorine-free water\u003c\/li\u003e\n  \u003cli\u003eSoak overnight in chlorine-free water to activate performance\u003c\/li\u003e\n  \u003cli\u003ePlace the stone near the filter outlet or air stone so water flows through it for best exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf your tank water is very acidic, acclimate fish to neutral pH with routine water changes before introducing EcoBio-Block, then observe tank parameters as conditions settle.\u003c\/p\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 tank sizes is the EcoBio-Block Medium 2-Pack suited for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each stone treats 15–40 gallons; together they cover tanks up to about 80 gallons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I set up EcoBio-Block in my aquarium?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse the stones, soak overnight in chlorine-free water, then place near the filter outlet or an air stone to circulate.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EcoBio-Block","offers":[{"title":"Default Title","offer_id":57197847478649,"sku":"B00BEE2U2W","price":72.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/ecobio-block-volcanic-rock-water-clarity.jpg?v=1777739153","url":"https:\/\/petlyvox.com\/products\/ecobio-block-natural-volcanic-rock-for-aquarium-clarity-balance-medium-2-pack-15-40-gal-ea","provider":"petlyvox","version":"1.0","type":"link"}