{"product_id":"fritzpro-r-p-m-redline-high-alk-salt-mix-red-box-55-lbs-fritz-aquatics","title":"FritzPRO R.P.M. Redline High Alk Salt Mix Red Box 55 lbs | Fritz Aquatics","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eFritzPRO RPM Redline High Alk Salt Mix in the distinctive red box is designed for serious reef and fish-only aquariums. This complete professional marine salt is crafted from premium materials to mirror a balanced seawater mineral profile, with an intentional alkalinity boost to support calcification in systems with elevated nutrient levels. The formulation is nitrate-, phosphate-, and ammonia-free, helping you maintain steadier water parameters as you stock or grow a diverse marine community.\u003c\/p\u003e\n\u003ch3\u003eWhy RPM Redline High Alk matters\u003c\/h3\u003e\n\u003cp\u003eThe High Alk version builds on the trusted RPM benefits by delivering higher alkalinity, which can aid calcification processes in compatible setups. It provides a full spectrum of major, minor, and trace elements, similar to natural seawater, while keeping nuisance nutrients in check. This salt works well in both reef tanks and fish-only displays, offering flexibility as your aquascape evolves.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete professional marine salt for reef or fish-only systems\u003c\/li\u003e\n\u003cli\u003eContains all essential major, minor, and trace elements\u003c\/li\u003e\n\u003cli\u003eEnhanced alkalinity levels to support calcification and growth\u003c\/li\u003e\n\u003cli\u003eNitrate-, phosphate-, and ammonia-free formulation\u003c\/li\u003e\n\u003cli\u003eSame great benefits as RPM’s original formula with higher alkalinity for SPS-supportive potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat to expect when mixing and using\u003c\/h3\u003e\n\u003cp\u003eWhen mixed, RPM Redline aims for natural seawater-like baselines while offering flexibility for higher alkalinity needs. Typical targets include salinity around 35 ppt, alkalinity 10–12 dKH, calcium 400–450 ppm, magnesium 1300–1400 ppm, strontium 9 ppm, and potassium near 400 ppm. Results can vary based on your tank’s inhabitants and maintenance routine, so regular testing is encouraged to tailor the mix to your specific system.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSalinity: around 35 ppt\u003c\/li\u003e\n\u003cli\u003eAlkalinity: 10–12 dKH\u003c\/li\u003e\n\u003cli\u003eCalcium: 400–450 ppm\u003c\/li\u003e\n\u003cli\u003eMagnesium: 1300–1400 ppm\u003c\/li\u003e\n\u003cli\u003eStrontium: about 9 ppm\u003c\/li\u003e\n\u003cli\u003ePotassium: around 400 ppm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis 55-pound Red Box provides a long-lasting supply for ongoing reef maintenance, helping you plan ahead for steady growth and tank upkeep without frequent repurchases. Proper handling and periodic testing support consistent results, whether you’re maintaining a busy SPS-dominated display or a mixed reef community.\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 systems is FritzPRO RPM Redline High Alk Salt Mix suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for reef and fish-only marine systems seeking stable alkalinity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is FritzPRO RPM Redline free of nitrates, phosphates, and ammonia?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the formula is nitrate-, phosphate-, and ammonia-free.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fritz Aquatics","offers":[{"title":"Default Title","offer_id":40563837501569,"sku":"B07FG9YXWF","price":218.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/fritz-aquatics-fritzpro-rpm-redline-55lb-red-box-bag.jpg?v=1765889067","url":"https:\/\/petiva.ca\/products\/fritzpro-r-p-m-redline-high-alk-salt-mix-red-box-55-lbs-fritz-aquatics","provider":"Petiva","version":"1.0","type":"link"}