{"product_id":"fritz-pro-rpm-redline-high-alkalinity-reef-salt-mix-55-lb-box","title":"Fritz PRO RPM Redline High-Alkalinity Reef Salt Mix – 55 lb Box","description":"\u003cp\u003eFritz PRO RPM Redline High-Alkalinity Salt Mix is formulated for reef aquariums that benefit from elevated alkalinity, including SPS-dominant and higher-nutrient systems.\u003c\/p\u003e\n\u003cp\u003eRedline provides the major, minor, and trace elements found in natural seawater while delivering an alkalinity level of approximately 10–12 dKH. Its balanced calcium and magnesium levels help support coral growth, skeletal development, and overall reef health.\u003c\/p\u003e\n\u003cp\u003eThe 55-pound box is an excellent choice for established reef keepers, large aquariums, and regular water-change schedules.\u003c\/p\u003e\n\u003cp\u003eKEY BENEFITS\u003c\/p\u003e\n\u003cp\u003e• High-alkalinity formula designed for reef aquariums\u003cbr\u003e• Ideal for SPS-dominant and higher-nutrient reef systems\u003cbr\u003e• Contains essential major, minor, and trace elements\u003cbr\u003e• Supports coral growth and skeletal development\u003cbr\u003e• Balanced calcium and magnesium levels\u003cbr\u003e• Free of nitrate, phosphate, and ammonia\u003cbr\u003e• Suitable for reef and fish-only marine aquariums\u003cbr\u003e• Large 55 lb box for routine water changes\u003c\/p\u003e\n\u003cp\u003eTYPICAL PARAMETERS AT 35 PPT\u003c\/p\u003e\n\u003cp\u003e• Alkalinity: 10–12 dKH\u003cbr\u003e• Calcium: 400–450 ppm\u003cbr\u003e• Magnesium: 1,300–1,400 ppm\u003cbr\u003e• Strontium: 9 ppm\u003cbr\u003e• Potassium: 400 ppm\u003c\/p\u003e\n\u003cp\u003eIMPORTANT\u003c\/p\u003e\n\u003cp\u003eFritz PRO RPM Redline has a higher alkalinity level than the original Fritz PRO RPM formula. Before switching salt mixes, test your aquarium’s current alkalinity and avoid making sudden changes to established water parameters.\u003c\/p\u003e\n\u003cp\u003eFor best results, use purified RO\/DI water and add the salt slowly while circulating the water with a pump. Mix until completely dissolved and adjust to the desired salinity before adding it to the aquarium.\u003c\/p\u003e\n\u003cp\u003eNever add dry salt directly to an aquarium containing fish, corals, or other livestock.\u003c\/p\u003e\n\u003cp\u003eWHY SHOP WITH INFINITY AND BEYOND AQUATICS?\u003c\/p\u003e\n\u003cp\u003eAt Infinity and Beyond Aquatics, we select dependable aquarium products that we would feel confident using in our own systems. We are available to help with product questions, aquarium compatibility, and choosing the right supplies for your setup.\u003c\/p\u003e\n\u003cp\u003eSHIPPING NOTICE\u003c\/p\u003e\n\u003cp\u003eThis 55-pound box is a heavy item and ships using our Large Shipping rate. It does not qualify for standard free shipping. Additional processing or fulfillment time may be required.\u003c\/p\u003e\n\u003cp\u003eRETURN POLICY\u003c\/p\u003e\n\u003cp\u003eAquarium salt is considered a consumable product. Opened or used salt mix cannot be returned. Please inspect the package before opening and contact us promptly if it arrives damaged.\u003c\/p\u003e","brand":"SWA","offers":[{"title":"Default Title","offer_id":53618529763637,"sku":"Fritz-PRO-RPM-Redline","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/2252\/7285\/files\/FRITZ-PRO-RPM-HIGH-ALK-1000x1000__01940.webp?v=1789922089","url":"https:\/\/infinityandbeyondaquatics.com\/products\/fritz-pro-rpm-redline-high-alkalinity-reef-salt-mix-55-lb-box","provider":"Infinity and Beyond Aquatics ","version":"1.0","type":"link"}