Marine Aquarium Supplements & Test Kits
Support coral growth and maintain stable water chemistry with our range of marine aquarium supplements and test kits. Designed for reef and saltwater systems, these products help you monitor and balance essential parameters for coral health and marine fish wellbeing.
We stock supplements for calcium, magnesium, alkalinity (KH), strontium, iodine, and trace elements, along with buffering agents and amino acid blends. These are ideal for SPS/LPS coral tanks, mixed reefs, and FOWLR setups.
Our test kits include options for nitrate, nitrite, phosphate, pH, salinity, calcium, alkalinity, and more — available in single and multi-test formats. Precise testing is essential for reef stability and successful dosing.
Not sure what your tank needs? Ask our expert team for help with supplementation schedules and test recommendations.
Shop online or visit our Melbourne store for trusted marine care solutions. Fast shipping Australia-wide.
Red Sea Reef Foundation B KH/Alkalinity 5 Litre
The Red Sea Foundation B KH/Alkalinity 5 Litre is a professional-grade supplement designed to maintain stable alkalinity levels in reef aquariums. As part of the Red Sea Reef Care Program, Foundation B provides a balanced source of carbonate and bicarbonate,...
$169.00
Red Sea Reef Foundation C 500ml
Red Sea Reef Foundation C 500ml A successful coral reef aquarium depends on how well you maintain the water parameters which are the key to a stable coral environment. All of the elements found in natural seawater play a role...
$29.95
Red Sea Reef Foundation C Magnesium 5 Litre
The Red Sea Foundation C Magnesium 5 Litre is a high-quality supplement designed to maintain stable magnesium levels in reef aquariums. As part of the Red Sea Reef Care Program, Foundation C ensures the correct balance of magnesium alongside calcium...
$169.00
Red Sea Reef Foundation Test Kit
Red Sea Reef Foundation Test Kit These kits include individual test kits and the Reef Foundation Pro kit, which combines the 3 individual tests in one convenient kit. All of the foundation kits include analytical grade A successful coral reef...
$119.95
Red Sea Reef Mature Pro Kit
Red Sea's Reef Mature Pro Kit provides a complete program for the biological maturation of reef aquariums, establishing full nitrification plus nitrate and phosphate reduction in a few weeks. Use Red Sea's Complete Marine Care Test Kit to monitor all...
$59.95
Red Sea Reef Trace Colours Pro Test Kit
Red Sea Coral Colours Pro Multi Test KitCoral Colours Pro Test KitAdvanced Tests Kit for the high accuracy measurement of iodine, potassium and iron elements Red Sea’s Coral Colours Pro Test Kit includes advanced tests for the high accuracy measurement...
$124.95
Red Sea ReefDose Accessory Kit
- Blue/Green
Red Sea ReefDose Accessory Kit Everything required to connect a dosing pump in one convenient kit.Available in 2 colour versionsRed/YellowBlue/GreenProviding 8 unique colours for easily identifying a full range of supplements from container to dosing tip. Each kit contains: Air-resistant...
$53.00
Red Sea ReefWave 25 Pump with Controller
Red Sea ReefWave 25 Gyre Flow Pump with ControllerThe new pump from Red Sea ReefWave 45 capable of up to 7500 liters per hour. As new as they are the ReefWave pumps by Red Sea take after the 300 series Gyre...
$495.00
Red Sea ReefWave 45 Pump with Controller
Red Sea ReefWave 45 Gyre Flow Pump with ControllerThe new pump from Red Sea ReefWave 45 capable of up to 15,000 liters per hour (3,962). As new as they are the ReefWave pumps by Red Sea take after the 300...
$570.00
Red Sea Salt 22kg
Red Sea Salt 22kg Red Sea Salt contains moderately elevated and balanced levels of the foundation elements (Calcium, Magnesium, Bicarbonates) necessary for sustainable coral growth. When combined with our reef care recipes, it will maximize pigment saturation to bring out your coral’s most...
$159.00
Red Sea Salt 25.2 kg
Red Sea Salt 25.2kg Red Sea offers a premium sea salt mixture based on natural sea salt harvested from the waters of the exotic Red Sea by solar evaporation techniques. Red Sea Salt is enriched with other refined minerals to...
$179.00
Red Sea Salt 4kg
Red Sea Salt 4kg Makes 120 litres Red Sea scientists have discovered that an optimally balanced ratio between the Foundation Elements (Calcium, Magnesium, and Carbonates) makes for more energy- efficient coral growth, ensures the formation of a robust aragonite coral...
$39.95
Red Sea Salt 7kg
Red Sea Salt 7kgMakes 210 litresRed Sea scientists have discovered that an optimally balanced ratio between the Foundation Elements (Calcium, Magnesium, and Carbonates) makes for more energy- efficient coral growth, ensures the formation of a robust aragonite coral skeleton, and...
$69.95
Red Sea Salt Coral Pro 25.2kg Refill
Red Sea Salt Coral Pro 25.2kg Refill BagRed Sea scientists have discovered that an optimally balanced ratio between the Foundation Elements (Calcium, Magnesium, and Carbonates) makes for more energy- efficient coral growth, ensures the formation of a robust aragonite coral...
$189.00
Red Sea Salt Coral Pro 7kg
Red Sea Salt Coral Pro 7kgRed Sea scientists have discovered that an optimally balanced ratio between the Foundation Elements (Calcium, Magnesium, and Carbonates) makes for more energy- efficient coral growth, ensures the formation of a robust aragonite coral skeleton, and...
$69.00
Red Sea Seawater Refractometer
Red Sea Seawater Salinity RefractometerRed Sea’s Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25 C /77 F.Most refractometers used within the aquarium hobby are not specifically designed for reef aquariums and...
$119.95
Salinity Hydrometer
Salinity Hydrometer for reading the salt level in Marine, Brackish Water and Turtle Tanks. These are a specific gravity meter that are made from a durable clear acrylic that are very easy to read and use. Unlike most others on...
$29.95
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Salinity Refractometer
Salinity Refractometer is designed for testing the concentration of salt water in Salt Water Marine Tanks and can also be used to check salt levels in brackish water tanks and turtle tanks. Its scale enables the direct determination of salinity...
$59.95
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