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On Sale 15%
Marine ReFresh (32 oz) - Dr Tim's Aquatics
Dr Tim's Aquatics$80.99$68.84Control Green or Brown Water in your Reef, Nano, or Seahorse Aquarium Use Dr.Tim's Re-Fresh in your reef, nano, or seahorse aquarium to control brown or green water issues. Re-Fresh is a potent combination of beneficial bacteria that work together to... -
ClorAm-X Water Conditioner (1 Gallon) - Hikari
Hikari$64.99Great For Freshwater, Marine or Pond Environments Liquid Buffered ClorAm-X utilizes a patented molecule to destroy chloramine and then removes the ammonia and chlorine. Gone are the days of hoping your biological filtration can remove the bound up... -
On Sale 15%
Phos-Start (75g) - Tropic Marin
Tropic Marin$22.28$18.94Tropic Marin® Phos-Start is based on the nutrient supply mechanisms seen in the natural coral reef environment. Insoluble, particulate excretions of fish or plankton supply corals with phosphate and all other necessary substances which are... -
On Sale 30%
Bulk Pharma Calcium Chloride (35 Pounds) - Bulk Reef Supply
Bulk Reef Supply$199.99$139.99Bulk Pharma Calcium Chloride - Ultra Pure Calcium Additive for your Reef Tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and alkalinity coral consumes when it grows. Using only pharmaceutical... -
pH Electrode Storage Solution - HM Digital
HM Digital$9.99PH storage solution for HM Digital’s PH-200 / PH-80 as well as other brands of pH meters. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be... -
On Sale 15%
Freshwater ReFresh (8 oz) - Dr Tim's Aquatics
Dr Tim's Aquatics$19.99$16.99RE-FRESH FOR NATURAL FRESH SPARKLING WATER Choose the size best suited for your system:4oz bottle treats 240 gallons (908 liters)8 oz bottle treats 480 gallons (1,817 liters)16 oz bottle treats 960 gallons (3,634 liters)32 oz bottle treats 1,920 gallons... -
On Sale 15%
Compact Lab - Essentials Test Kit (5 Parameters) - Tropic Marin
Tropic Marin$63.64$54.09The test set Tropic Marin® Compact Lab includes all the important tests for prompt and precise determination of water values. The pH value, alkalinity, phosphate level, nitrite and nitrate content as well as the ammonia concentration of the... -
On Sale 15%
Reef Pack: Enhancer (3 x 100 ml) - Reef Calcium, Strontium, Iodide - Seachem
Seachem$15.01$12.76The Enhancer Pack combines those products essential for any reef (Reef Complete®, Reef Carbonate™, and Reef Plus™). Reef Calcium™ is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain... -
Waterproof pH/Temp Meter - HM Digital
HM Digital$79.95Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee,... -
On Sale 15%
Calcion P - Dry Calcium Supplement (3.2kg) - Brightwell
Brightwell Aquatics$62.40$53.04Calcium Supplement for All Marine Fish & Reef Aquaria Overview High-purity powdered calcium. Increases the concentration of calcium in marine aquarium water to provide corals andother reef-building invertebrates with one of the most important... -
On Sale 15%
Reef Reactor Medium (4 L) Calcium Reactor Media - Seachem
Seachem$32.52$27.64Reef Reactor™ is a high-purity source of aragonite, which supplies all important elements for optimal ionic balance and robust coral growth and coloration in reef aquaria. It has a grain size of approximately 0.5–1 cm (Reef Reactor™... -
On Sale 15%
Marine ReFresh (64 oz) - Dr Tim's Aquatics
Dr Tim's Aquatics$171.39$145.68Control Green or Brown Water in your Reef, Nano, or Seahorse Aquarium Use Dr.Tim's Re-Fresh in your reef, nano, or seahorse aquarium to control brown or green water issues. Re-Fresh is a potent combination of beneficial bacteria that work together to... -
ClorAm-X Water Conditioner (4 oz) - Hikari
Hikari$4.99Great For Freshwater, Marine or Pond Environments Liquid Buffered ClorAm-X utilizes a patented molecule to destroy chloramine and then removes the ammonia and chlorine. Gone are the days of hoping your biological filtration can remove the bound up... -
HI-7030M Conductivity Solution, (230 mL) bottle - Hanna Instruments
$11.99Maximum accuracy is high on the agenda here at Hanna. Browse our Conductivity Calibration Solutions specifically produced for Conductivity meters and electrodes. Hanna conductivity electrodes can be calibrated in just a few minutes, wherever you are... -
On Sale 30%
Magnesium (Mg) (1000 g) Powder - Triton
Triton$32.00$22.40Magnesium macro element seawater supplement. Magnesium is an important element that naturally occurs in seawater. Essential for calcification of SPS/LPS coral skeleton. When used in conjunction with TRITON Lab ICP testing aquarists are now able to... -
ME Alkalinity (KH) Liquid - Quart (32 oz) Pharmaceutical Grade - MECoral
MECoral$14.99MECoral 32 oz Kh liquid solution is ready to use. MECoral uses only Pharmaceutical Grade raw material to achieve the highest quality, highest purity, and highest concentration possible. MECoral Kh is crystal clear with no residual... -
On Sale 30%
Infusion (100 ml) - Triton
Triton$29.00$20.30Triton's newest innovate product. Infusion is a blend of trace elements and other beneficial substances that allows you to use the Triton method without having to use CORE 7 Base Elements. Ideal for large aquariums with a calcium reactor or if... -
On Sale 30%
Iron (Fe) (100 ml) - Triton
Triton$32.00$22.40Iron trace element seawater supplement. Beneficial for metabolic processes in reef aquaria. Promotes macro-algae growth and health/color of LPS/SPS coral. When used in conjunction with TRITON Lab ICP testing aquarists are now able to make... -
On Sale 15%
Alkalin-P 8.3 - Dry pH/KH Builder (500 gm) - Brightwell
Brightwell Aquatics$12.91$10.97KH Buffer Powder for all Marine Fish and Reef Aquaria Overview Raises alkalinity, adjust pH to 8.3 Unlike single component KH products such as sodium carbonate, Alkalin 8.3P is a multi-component automatic buffer that regulates pH and its use makes... -
On Sale 15%
Mardel Bactershield (4 oz) (Reef Safe) - Fritz Aquatics
Fritz Aquatics$12.79$10.87Bactershield Bio-adhesive supplement repairs and strengthens the fish’s natural slime coat which protects against bacterial and fungal infections Bactershield is a revolutionary new way to help maintain fish optimum health. Proven, natural oils... -
On Sale 30%
CO3 Alkalinity Increaser (1000 ml) - Triton
Triton$28.00$19.60CO3 alkalinity buffer is used to individually raise alkalinity without affecting other elements. TRITON Treatments have been developed to fix specific problems commonly faced by aquarists. Unlike many products on the market TRITON Treatments are... -
On Sale 15%
Reef Tank Beginner Saltwater Test Set
Salifert$119.99$101.99Generic Refractometer - It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and... -
On Sale 15%
FOWLR Deluxe Saltwater Test Set (HI98319, 781, Salifert PO4)
Salifert$129.99$110.49Hanna Salinity/Temperature Checker - HI98319 Salinity/Temperature Meter - Each meter is supplied with: CR2032 battery (inside the meter), Storage / Protection sleeve, Instruction manual, Quality certificate, and 35.00 ppt calibration standard sachet (4... -
On Sale 15%
Marine Clear-Up (8 oz) 480 Gallons - Dr Tim's Aquatics
Dr Tim's Aquatics$15.99$13.59CLEAR-UP NATURAL WATER CLARIFIER -- H2O-PURE Choose the size best suited for your system:2 oz bottle treats 120 gallons (454 liters)4oz bottle treats 240 gallons (908 liters)8 oz bottle treats 480 gallons (1,817 liters)16 oz bottle treats 960... -
On Sale 15%
Copper Liquid Test Kit (Up to 90 Tests) - Fritz Aquatics
Fritz Aquatics$11.99$10.19Accurate in both Fresh and Saltwater Essential when Medicating with Copper-based Treatments Measures Free and Total Copper About Fritz Liquid Test Kits - Copper Copper is commonly used in aquariums to treat external parasitic infections,... -
Reef BluePrint Nitr8 (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$35.97Parameter Nitrate Value 100,000 ppm Characteristics Active Components: Potassium nitrate, anhydrous, USP Basic Application 1 mL per 25.4 gallons (100 L) increases [NO3] by 1.0 ppm. 5 mL per 20... -
On Sale 15%
KH Pro Alkalinity Test Professional - Tropic Marin
Tropic Marin$25.45$21.63The carbonate hardness (KH)* or alkalinity* of a water sample characterizes the buffering ability, ie the ability to maintain the pH value of the water. It is largely determined by the proportion of hydrogen carbonate ions in the water. As the... -
On Sale 15%
Reef Complete (250 mL) - Seachem
Seachem$7.38$6.27Reef Complete® is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater without affecting pH. Calcium and carbonates are essential to all coral growth. If either... -
Reef BluePrint Phosph8 (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$11.99Parameter Phosphate Value 50,000 ppm Characteristics Active Components: Potassium phosphate, anhydrous, USP Basic Application 1 drop (0.05 mL) per 25.4 gallons (100 L) increases [PO4] by 0.025 ppm. 1 mL per 25.4... -
On Sale 30%
Lithium (Li) (100 ml) - Triton
Triton$32.00$22.40Lithium trace element seawater supplement. Lithium is an important element for overall health of reef aquaria. When used in conjunction with TRITON Lab ICP testing aquarists are now able to make targeted single element adjustments. Only TRITON... -
On Sale 15%
DeChlor (0.5 oz) - Weco
Weco$4.49$3.82Weco DeChlor instantly eliminates chlorine and reduces toxicity of common heavy metals. Just 1 drop per U.S. gallon removes chlorine and chlorine dioxide. DeChlor also reduces the toxicity of heavy metals such as copper, cadmium, mercury, silver, zinc,... -
On Sale 15%
Denitrate (250 mL) - Seachem
Seachem$4.16$3.54denitrate™ is an economical, natural, porous material with a pore distribution and geometry that promotes both aerobic nitrification within the first few millimeters of depth and anaerobic denitrification at the core. The material has a high... -
On Sale 30%
Core7 Reef Supplements Kit 3.8L/ 1 Gallon Liquid Set (Other Methods) - Triton
Triton$159.00$111.30Included: Four 1 Gallon Jugs. Part 1, Part 2, Part 3a and Part 3B For other Reef Methods. A suite of dosing solutions designed to supplement and maintain near natural sea water parameters for reef aquaria using other reefkeeping methods... -
On Sale 30%
Bulk Pharma Magnesium Chloride (35 Pounds) - Bulk Reef Supply
Bulk Reef Supply$189.99$132.99Bulk Magnesium Chloride - Ultra Pure Magnesium Additive for your Reef Tank! Keep your reef balanced - Use with BRS Pharma Magnesium Sulfate Maintaining proper magnesium levels helps achieve the essential balance of calcium and alkalinity in your tank... -
On Sale 15%
Strontion - Liquid Strontium Supplement (250 mL) - Brightwell
Brightwell Aquatics$8.35$7.10Strontium is found in the bones of fish and, more importantly, in aragonite, the mineral secreted by reef-building marine invertebrates such as corals, clams, tube worms, and their respective allies. Overall, strontium accounts for between 0.75 - 1.00%... -
On Sale 15%
Alkalin8.3 - Liquid pH Buffer & Alkalinity KH -Builder (20L) - Brightwell
Brightwell Aquatics$169.88$144.40Concentrated KH Buffer Supplement for All Marine Fish and Reef Aquaria Overview Alkalin 8.3P is a multi-component automatic buffer that regulates pH, unlike sodium carbonate its use makes for a much more stable aquarium. Eliminates pH and KH... -
On Sale 15%
Marine Clear-Up (16 oz) 960 Gallons - Dr Tim's Aquatics
Dr Tim's Aquatics$20.99$17.84CLEAR-UP NATURAL WATER CLARIFIER -- H2O-PURE Choose the size best suited for your system:2 oz bottle treats 120 gallons (454 liters)4oz bottle treats 240 gallons (908 liters)8 oz bottle treats 480 gallons (1,817 liters)16 oz bottle treats 960... -
On Sale 15%
FOWLR Beginner Saltwater Test Set (Refractometer, Salifert NO3, PO4)
Salifert$65.99$56.09Generic Refractometer - It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and... -
On Sale 12%
Iodine Pro (I2) Reef Test Kit - Red Sea
Red Sea$54.99$48.39Unique test, measuring the level of total iodine in your UNLS aquarium, with high accuracy of 0.01 ppm. Red Sea’s Iodine Pro Reef Test Kit is a unique test, measuring the level of total iodine in your reef aquarium to a high accuracy of 0.01 ppm... -
On Sale 15%
Professional Lab Test Kit - Tropic Marin
Tropic Marin$163.60$139.06The test set Tropic Marin® Professional Lab for determining the most important water values in saltwater aquariums including standards for checking the functionality of all test kits. Test set for precise checking of the most important...