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Calcium Pro-High accuracy Titration Test Kit (75 tests) - Red Sea
Red Sea$41.99Red Sea’s Calcium Pro Test Kit is an advanced calcium titration test, measuring the level of calcium in your reef aquarium to an exceptionally high accuracy of 5 ppm. This test kit enables the accurate dosing of Red Sea’s Reef Foundation... -
KH/Alkalinity Pro-High Accuracy Titration Test kit (75 tests) - Red Sea
Red Sea$41.99Red Sea’s KH/Alkalinity Pro Test Kit is an advanced titration test, measuring the level of buffers in your reef aquarium to an exceptionally high accuracy of 0.05 meq/l (0.14 dKH).Red Sea’s Alkalinity Pro test kit enables the accurate dosing... -
B-Ionic Magnesium (1 Gallon) - ESV
ESV$41.99Through the chemical process known as "ion-pairing" magnesium ion concentration influences the saturation point for calcium carbonate in solution. In general the further the magnesium concentration drops from natural seawater levels (1350 ppm) the more... -
Reef Plus (2 L) - Seachem
Seachem$41.75Reef Plus™ is a full spectrum reef supplement containing trace elements, vitamins, and amino acids demonstrated to have a positive impact on the growth of corals and other desirable reef creatures. Reef Plus™ is formulated to provide... -
Checktemp® Digital Thermometer (HI98501) - Hanna Instruments
Hanna Instruments$41.00The HI 98501 Checktemp® is a digital thermometer with stainless steel penetration probe. It delivers high accuracy temperature measurements over a wide temperature range without worrying about breakage or condensation. The Checktemp® offers NO... -
Strontion - Liquid Strontium Supplement (2 L) - Brightwell
Brightwell Aquatics$40.64Strontium 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%... -
Calcion - Liquid Calcium Supplement (2L) - Brightwell
Brightwell Aquatics$40.64Concentrated Calcium Supplement for All Marine Fish & Reef Aquaria Overview Highly-concentrated ionic calcium solution. Increases the concentration of calcium in marine aquarium water to provide coralsand other reef-building invertebrates with... -
Reef Complete (2L) - Seachem
Seachem$40.61Reef 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 Calcium (2L) - Seachem
Seachem$40.61Reef Calcium™ is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH. Polygluconate complexation confers several benefits: it increases the bioavailability... -
MicroBacter START XLM 15x (500 ML - 16 oz) - Brightwell
Brightwell Aquatics$40.03Professional 15x strength live tank starter nitrifying bioculture for rapidly cycling new marine fish and reef aquaria and brackish aquariums, and for recovering from overcrowding or disasters where the bacteria bed has been damaged or... -
On Sale 37%
(DAMAGED BOX) HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments
Hanna Instruments$63.95$39.99The Hanna Freshwater Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color... -
Bacto Energy (250 ml) - Fauna Marin
Fauna Marin$39.99BACTO ENERGY is a special carbon source designed to feed nutrient reducing bacteria in marine aquariums. After addition of Bacto Energy bacteria will grow rapidly and thereby will convert unwanted nutrients like nitrite, nitrate and phosphate into... -
Reef ICP Test Total (90 Water Parameters) - Fauna Marin
Fauna Marin$39.99The Fauna Marin Reef ICP Total Test gives a quick, accurate, and easy overview of over 90 water values in reef aquariums. From macro elements to trace elements and pollutants, you get a complete overview with corresponding dosage and action... -
Reef Energy AB+ Plus Coral Nutrition (1000 ml) - Red Sea
Red Sea$39.99An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming. Based on our long-term research, Reef Energy... -
DeChlor (1 gal) Chlorine Remover - Weco
Weco$39.99Weco 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,... -
8.8 lbs ReBorn (Original Size) Calcium Reactor Media (8.8 lbs) - Two Little Fishies
Two Little Fishies$39.99Reborn is back to it's original size & formulation. Large size pieces. Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western... -
PINPOINT pH Probe Lab Grade Double Junction - American Marine
American Marine$39.99The PINPOINT® pH Electrode equals and exceeds lab quality by both specifcation and design. The PINPOINT® pH Electrode has been designed as the most rugged, precise and full-featured probe offered to both the clinical lab and aquaculture... -
ICP Water Testing Analysis (1 Test) (w/ Prepaid Shipping Label) - Reef Labs
Reef Labs$39.95Testing is Performed in Bradenton FLORIDA USA! Kit includes a prepaid USPS Label. Looking for an accurate, comprehensive, fast, and easy way to test your aquarium? Then look no further! Reef Lab's ICP Water Analysis utilizes laboratory grade ICP... -
CA + MG Calcium/Magnesium AquaHome Precision Test Kit (50 Tests) - Fauna Marin
Fauna Marin$39.95The Fauna Marin CA + MG Test is very high-resolution and can determine the Calcium & Magnesium concentration with a particularly high accuracy in the low concentration range. The details: Measuring range CA: 300 - 489 mg/l Resolution (accuracy)... -
HI50021P Calibration Check Solution for HI9813-6 20 mL (25 Pack) - Hanna Instruments
Hanna Instruments$39.00HI50021P is a premium quality calibration check solution used exclusively for the HI9813-6 portable pH/EC/TDS/Temp. meter. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one... -
Reef Mature Starter Kit (Aquarium Cycling Solution 65 Gallon) - Red Sea
Red Sea$38.99Red Sea’s Reef Mature Starter Kit provides a complete program for the biological maturation of your reef aquarium, establishing full nitrification plus nitrate and phosphate reduction in a few weeks. Most biological ‘cycling’ products... -
B-Ionic Calcium Buffer System (2 Gallon) Concentrated Refill - ESV
ESV$38.99Bionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. When using equal volumes of each component, the aquarist can easily maintain calcium and alkalinity levels with no mixing powders, disruption of ionic... -
Reef BluePrint Isol8:Cu - Copper (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$38.97SpecificationsCopper 60,560 mg/L ApplicationKeep out of reach of children and unauthorized persons. Avoid contact with skin, eyes, and mucous membranes. Store in a cool, dry location away from sunlight. The following discussion and... -
Phosphate Rx (1 oz) - Blue Life USA
Blue Life USA$38.40Phosphate Rx is an amazingly simple and effective product that has revolutionized the way phosphates are removed from saltwater and freshwater aquariums. When added, the formula rapidly binds to phosphate molecules making them inactive and easily... -
CoralAmino Free Form Amino Acid Supplement (125 ml) - Brightwell
Brightwell Aquatics$38.14Free-Form Coral Amino Complex for all Corals & Their Allies Overview Complex of free-form amino acids in the same ratios found within tissues of stony corals. Beneficial to all corals (stony and soft), as well as solitary and colonial polyps... -
Bio-Base ULNS Organic Support System (100 ml) - Triton
Triton$38.00Organic Support System for Reef Aquarium with normal nutrient levels Accelerate bioavailability of trace element supplements Boost beneficial metabolic effects in reef systems Helps prevent Cyanobacteria Helps to maintain proper nutrient... -
Bio-Base Organic Support System (100 ml) - Triton
Triton$38.00Organic Support System for Reef Aquarium with normal nutrient levels Accelerate bioavailability of trace element supplements Boost beneficial metabolic effects in reef systems Helps prevent Cyanobacteria Helps to maintain proper nutrient... -
DI Deionizing Resin (1000 ml) - Triton
Triton$38.00Deionizing resin, for creating a very pure deionized water. TRITON Treatments have been developed to fix specific problems commonly faced by aquarists. Unlike many products on the market TRITON Treatments are quality controlled and free from... -
HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments
Hanna Instruments$38.00The HI98103 Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Checker. The redesigned Checker now offers automatic calibration to one or two points, automatic buffer recognition,... -
Reef BluePrint Remedi8 (75g) - Captiv8 Aquaculture
Captiv8 Aquaculture$37.98Characteristics A dry blend which supplements existing biological filtration in established systems, providing a host of non-pathogenic, heterotrophic aerobic and anaerobic microorganisms (dominated by species which focus on remineralization... -
Safe Dry Water Conditioner (1 KG) - SeaChem
Seachem$37.52Safe™ is the complete and concentrated dry conditioner for both fresh and salt water. Safe™ removes chlorine, chloramine and ammonia. Safe™ converts ammonia into a safe, non-toxic form that is readily removed by the tank’s... -
DOS Replacement Pump Head Cap - Neptune Systems
Neptune Systems$36.99DÅŒS Replacement Pump Head Cap for your Neptune Systems DÅŒS module. Complete assembly includes cover, peri-tube, fittings and roller wheel. Neptune Systems recommends that these be replaced approximately every 700 hours of pump run time. -
All For Reef (1000 ml) - Tropic Marin
Tropic Marin$36.83ALL-FOR-REEF is an easy- to-use, highly concentrated solution for the supply of ALL essential minerals and trace elements in new or moderately stocked reef aquariums. Benefits: Complete mineral supply in only one solution The most... -
Master Liquid Test Kit - Fritz Aquatics
Fritz Aquatics$36.74Perfect for starting a new system Includes 4 Essential Test Kits Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Master Test Kit Fritz Aquatics Master Test Kit contains four essential test kit formulas in... -
Flux RX up to 200g (4000 mg) Fluconazole - Blue Life USA
Blue Life USA$36.46Flux Rx is simple and effective with levels easily achieved and maintained quickly for effectiveness when Bryopsis or Green Hair Algae are present. How to prepare product: Turn off skimmer and discontinue using activated carbon and phosphate... -
Bio Booster (250 ml) - NYOS Aquatics
NYOS$35.99NYOS® BIO BOOSTER is a well-formulated Nutrient solution with more than 90 ingredientsBIO BOOSTER biologically reduces nitrite, nitrate and phosphate. In addition, your corals can use the resulting biomass as particulate nutrition. Together with... -
Saltwater Master Test Kit (High Range pH, Ammonia, Nitrite, Nitrate) - API
API$35.98Saltwater Master Test Kit - A complete kit for testing marine aquarium water. Tests water four ways to protect marine fish and invertebrates from dangerous water conditions. Kit includes tests for: High Range pH, Ammonia, Nitrite, Nitrate, plus four test... -
Freshwater Master Test Kit (pH, High Range pH, Ammonia, Nitrite, Nitrate) - API
API$35.98Liquid Test Kits - This kit tests tap water and aquarium water for five different parameters that affect the health of freshwater fish: pH, High Range pH, Ammonia, Nitrite and Nitrate. Highly accuate and economical. Unique, transparent dome... -
Reef BluePrint Phosph8 (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$35.97Parameter 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... -
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...