Brightwell Aquatics Magnesion Liquid Salt Water Conditioner – Concentrated Magnesium Supplement For Reef and Marine Aquariums, 8.45 fl oz

Price: $9.44
(as of Nov 12, 2025 10:30:13 UTC – Details)

Brightwell Aquatics MAG250 Magnesion Liquid Salt Water Conditioner Elevate your reef aquarium’s health with Brightwell Aquatics magnesium solution, a highly concentrated ionic compound formulated by marine scientists for aquarium water treatment. This aquarium water conditioner provides a potent dose of magnesium, regulating the delicate balance between calcium and carbonates in aquarium water. Crucial for reef-building organisms, magnesium is a key component of aragonite, the mineral responsible for skeletal material formation in corals, clams, and allies. Outclassing competitors, our solution is stronger, ensuring unparalleled effectiveness. It contains no unwanted organics like EDTA, gluconate, or polygluconate, offering a pure and focused solution. With a magnesium concentration recommendation of 1,290-1,320 ppm, achieve the perfect balance for immediate positive results in calcium supplementation. Understanding the unique requirements of each aquarium, our solution allows for precise dosing tailored to your setup’s magnesium uptake rate. We recommend using a quality salt mix for stable seawater parameters, providing a robust ionic foundation. Trust in Brightwell Aquatics’ commitment to purity—our liquid water care supplements are made with purified water and high-purity materials. Formulated based on empirical data, our solutions prioritize observation and measurement over theory, ensuring a precise and effective formula for your aquarium’s success. FEATURES AT A GLANCE Super strong solution to maintain a balance between calcium and carbonates No unwanted organic material Provides a potent dose of magnesium Developed based on empirical data, prioritizing observation and measurement Formulated utilizing extensive data compiled by microbiologists AMERICAN-MADE EXCELLENCE Trust in the quality and excellence of Brightwell Aquatics, an industry-leading brand committed to providing innovative and scientifically backed aquatic care products. Made in the USA, we consistently strive to deliver advanced superior quality solutions to elevate the vibrancy and health of your aquarium.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 1 x 1 x 1 inches; 8.82 ounces
Item model number ‏ : ‎ MAG250
Date First Available ‏ : ‎ June 24, 2004
Manufacturer ‏ : ‎ TopDawg Pet Supply
ASIN ‏ : ‎ B001DD2PN8
Best Sellers Rank: #14,853 in Pet Supplies (See Top 100 in Pet Supplies) #109 in Aquarium Water Treatments
Customer Reviews: 4.6 4.6 out of 5 stars 380 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

HIGH-CONCENTRATION IONIC MAGNESIUM SOLUTION – Magnesion Liquid Reef Salt Water Conditioner is a high-concentrate solution for maintaining the optimal balance in aquarium reef tanks. Magnesium salt regulates aquarium calcium and carbonate concentrations to prevent excessive inorganic precipitation
REEF-BUILDING ESSENTIAL – Our aquarium water conditioner is a highly-concentrated ionic magnesium solution that plays a vital role in the formation of aragonite, the skeletal material of reef-building organisms like coral and clams
FREE FROM ORGANIC MATERIAL – This aquarium water conditioner contains no unwanted organic material such as EDTA, gluconate, or polygluconate, providing a pure formula for your aquarium’s well-being. A powerful solution, it effectively boosts the health and vitality of aquatic ecosystems
DIRECTIONS – Before use, shake the supplement well. Administer 5 ml (1 capful) every other day, or as necessary, to sustain magnesium levels between 1,290 – 1,320 ppm in 20 gallons of aquarium water. When employed this way, 250 ml treats up to 1,000 gallons (3,785 L)
AMERICAN-MADE EXCELLENCE – Brightwell Aquatics is an industry-leading brand committed to providing innovative and scientifically backed aquatic care products. Made in the USA, we consistently deliver advanced superior quality solutions to elevate the vibrancy and health of your aquarium