{"product_id":"kolar-labs-crystal-cal-activated-carbon-large-jar-320-g-for-aquarium-filtration","title":"Kolar Labs Crystal Cal Activated Carbon – Large Jar (320 g) for Aquarium Filtration","description":"\u003ch2\u003eCrystal Cal Activated Carbon for Clear Aquarium Water\u003c\/h2\u003e\u003cp\u003eKolar Labs Crystal Cal activated carbon arrives in a large 320 g jar, ready to support filtration in freshwater and planted tanks. This laboratory-grade carbon features an optimized pore structure designed for aquarium use, helping you maintain clear, vibrant water with less fuss.\u003c\/p\u003e\u003ch3\u003eWhy this carbon stands out\u003c\/h3\u003e\u003cp\u003eQuality and consistency matter when you care for aquatic environments. The carbon is produced to Food Chemicals Codex (FCC) standards and is available in bulk or packaged formats, offering reliable performance and easy stocking for hobbyists and professionals alike. The larger granules are engineered to promote steady flow through media bags, cartridges, media reactors, or in-tank and hang-on filters, helping you keep filtration efficient without clogging or bypass.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFast results: expect clearer water and reduced discoloration or odors, often overnight as part of routine maintenance\u003c\/li\u003e\n\u003cli\u003eFCC-standard quality: manufactured under recognized safety and purity guidelines for consistent carbon quality\u003c\/li\u003e\n\u003cli\u003eLaboratory-grade performance: granular activated carbon with an optimized pore structure tailored for aquarium use\u003c\/li\u003e\n\u003cli\u003eFiltration versatility: works across reactors, canister filters, in-tank systems, and hang-on filters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to use and maintain\u003c\/h3\u003e\u003cp\u003eUsing Crystal Cal is straightforward and designed to fit common hobbyist routines. Start with a brief rinse to remove dust, then incorporate the carbon into your filtration plan. For dosing, follow the simple guidelines below and adjust for your tank size.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEasy dosing: 1 cup per 50 gallons or 1 tablespoon per 3 gallons\u003c\/li\u003e\n\u003cli\u003eMaintenance cadence: replace every 2–4 weeks to sustain filtration efficiency\u003c\/li\u003e\n\u003cli\u003eRinse before first use: a short rinse helps minimize sediment in the system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePractical benefits in real setups\u003c\/h3\u003e\u003cp\u003eWhether you are upgrading a canister, adding a reactor, or refreshing an in-tank filter, Crystal Cal is designed to integrate smoothly. The 320 g jar provides bulk capacity for ongoing use in larger aquariums, helping you maintain a balanced, visually appealing tank appearance over time.\u003c\/p\u003e\u003cp\u003eNotes on usage and compatibility: This carbon is designed to integrate with a wide range of filtration systems, helping you manage tank turnover and maintain a steady filtration rate across different media configurations.\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 benefits can I expect from Kolar Labs Crystal Cal Activated Carbon in my aquarium?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Efficient filtration, improved clarity, color removal, and odor reduction when used with standard filtration systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I use and replace the carbon?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use 1 cup per 50 gallons or 1 tablespoon per 3 gallons; replace every 2–4 weeks and rinse briefly before use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Kolar Labs","offers":[{"title":"Default Title","offer_id":57208006541689,"sku":"B06W2PJ1ZJ","price":23.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/kolar-labs-crystal-cal-activated-carbon-large-jar.jpg?v=1777878627","url":"https:\/\/petlyvox.com\/products\/kolar-labs-crystal-cal-activated-carbon-large-jar-320-g-for-aquarium-filtration","provider":"petlyvox","version":"1.0","type":"link"}