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On Sale 15%
MultiTest Copper (75 tests) Marine & Freshwater - Seachem
Seachem$16.31$13.86This kit measures copper (all types) to less than 0.01 mg/L in marine or freshwater. Uses a highly sensitive catalysis based procedure. MultiTest® Copper performs over 75 tests and contains a reference sample for validation. -
On Sale 15%
Boost pH+ Increaser (250 ml) - Brightwell
Brightwell Aquatics$7.99$6.79Boost pH+ High Range pH Increaser, raises pH only without increasing alkalinity or calcium (in tanks already having a proper dKH) High range pH increaser for all marine aquaria, Allows maintaining a pH of 8.3, 8.4 or 8.5 in difficult... -
On Sale 15%
Calcium (Ca) Test Kit - Elos
ELOS$27.99$23.79Lab Quality Calcium (Ca) Water Analysis for the Marine Hobbyist Calcium is the primary building block for corals, calms, calcareous algae and many other marine organisms that we grow in our aquarium. Accuracy and consistency is crucial to guarantee that... -
HI50021P Calibration Check Solution 20 mL (Single Pack) - Hanna Instruments
Hanna Instruments$1.56ONE Single 20 mL pack HI50021P 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... -
Reef BluePrint Isol8:F - Fluoride (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$11.99Parameter Fluoride Value 10,000 ppm Characteristics Provides fluoride; application thereof in conjunction with weekly ICP analysis to guide dosing rates typically yields deep intensification of blue pigmentation in... -
On Sale 8%
Sea Salt Mix Bucket (Makes 160 Gallons) - Instant Ocean
Instant Ocean$71.99$65.99Instant Ocean® Sea Salt is the most carefully formulated and universally preferred sea salt in the world. The #1 choice of hobbyists, public aquariums, and scientific research facilities, Instant Ocean Sea Salt has set the industry standard for... -
On Sale 11%
PURE Reef Salt Mix (20kg Bucket) - NYOS
NYOS$89.99$79.99PURE, Trustworthy, & Consistent Ultra-pure, pharmaceutical grade ingredients No yellow tinge Quick solubility Consistent quality Near-natural mineral levels Improves color, growth, and polyp expansion of corals ICP controlled and... -
On Sale 15%
Reef Fusion "1" Two Part Calcium/Buffer System (4 L) - Seachem
Seachem$32.33$27.48Reef Fusion 1™ and Reef Fusion 2™ are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1™ provides calcium, while Reef Fusion 2™ provides alkalinity. When used together, the Reef... -
On Sale 15%
Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement (500 ml) - SeaChem
Seachem$17.84$15.16Reef Fusion 1™ and Reef Fusion 2™ are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1™ provides calcium, while Reef Fusion 2™ provides alkalinity. When used together, the Reef... -
On Sale 15%
Purple Up (1 Gallon) - Caribsea
Caribsea$92.49$78.62PurpleUp™ - uses a unique dual method approach to coralline algae acceleration. This approach is so unique that PurpleUp has been awarded a US patent (US patent No. 7,565,883). It contains ionic calcium; which immediately raises dissolved calcium... -
On Sale 15%
Aiptasia Rx (0.5 oz) Removes Aiptasia & Majano Anemones - Blue Life USA
Blue Life USA$12.62$10.73Aiptasia Rx is a simple, effective and rapid solution for treating Aiptasia and Majano anemones. This product yields results within minutes of application. The dense solution sticks to Aiptasia, sealing the mouth to ensure planulas are not released... -
On Sale 15%
Iron Concentrate (250 ML - 8 oz) - Two Little Fishies
Two Little Fishies$5.18$4.40Two Little Fishies Iron Concentrate is a solution that contains the elements iron and manganese, which are essential to the health of all plants, including the symbiotic zooxanthellae in corals and sea anemones, and sea-grasses. Two Little Fishies Iron... -
Phosphate (PO4) Reefer Test Kit 50 Tests - NYOS Aquatics
NYOS$24.99PHOSPHATE REEFER NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is... -
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... -
pH/Alkalinity Marine Test Kit - Red Sea
Red Sea$23.99Easily and accurately test the pH and Alkalinity in your saltwater aquarium with the Red Sea pH/Alkalinity Test Kit. Maintaining proper alkalinity and pH in your reef tank is key to a successful reef tank. Each kit includes: 100 pH... -
pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments
Hanna Instruments$29.00HI70010P is a premium quality pH 10.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration buffers... -
On Sale 15%
Fritz PRO RPM Redline HIGH ALK Salt Mix RED Bucket (48 lbs - Makes 180 Gallons) - Fritz Aquatics
Fritz Aquatics$84.99$72.24Same great benefits from RPM's original formula, PLUS Higher alkalinity for increased SPS growth in higher nutrient systems! Complete Professional Marine Salt Mix for Reef or Fish Only Systems Contains All Essential Major, Minor & Trace... -
On Sale 15%
Calcion P - Dry Calcium Supplement (800g) - Brightwell
Brightwell Aquatics$23.58$20.04Calcium 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%
Clear FX PRO (225 ml) - Blue Life USA
Blue Life USA$31.04$26.38CLEAR FX PRO is the most advanced all-in-one filtration media available on the market. Our cutting edge technology is compatible with both fresh and saltwater aquariums of all sizes. The easy to use media is the most comprehensive and reliable... -
On Sale 15%
Reef Complete (2L) - Seachem
Seachem$40.61$34.52Reef 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... -
HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments
Hanna Instruments$63.95The 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... -
(1-10 ml) Adjustable Volume Pipettor Highly Accurate Pipette
Generic$59.99Fully adjustable 1-10 ml pipette for accurate measuring during testing. Volume Range:1-10ml; Increment: 100μl. This 10ml Pipette's fit 10ml Four E's Scientific Tip's Digit display to allow for more accurate volume setting and easier volume... -
On Sale 15%
Reef Iodide (250 mL)- Seachem
Seachem$7.35$6.25Reef Iodide™ is a concentrated (8,000 mg/L) stabilized potassium iodide source for reef aquaria that will restore and maintain iodide levels to those found in natural sea water. It is formulated to provide a safe source of iodide that will not... -
On Sale 15%
Waste Away Time Release Gels Marine (50 Gallon) - Dr Tims Aquatics
Dr Tim's Aquatics$16.35$13.90The gels are full of our Waste-Away Bacteria that are automatically and continuously released into your aquarium to consume nutrients and break down fish waste; keeping your tank clean and water clear. REEF SAFE. “Gets into the nooks and crannies... -
Calcium Marine Test Kit - Red Sea
Red Sea$26.99Calcium Test Kit Accurate measurement of Calcium in marine aquariums Ca Red Sea’s user-friendly Calcium titration test provides a quick and reliable measurement of calcium in your aquarium to an accuracy of either 15ppm or 30ppm according to... -
Nitrate + (1000 ml) - NYOS
NYOS$14.99Control of nutrients made easy. Only raises the nitrate value No undesirable additives High degree of purity Nyos® NITRATE+ and PHOSPHATE+ allows you to raise nitrate and phosphate levels quickly, easily and safely. The correct nitrate and... -
On Sale 15%
Complete Water Conditioner Dechlorinator (16 oz) - Fritz
Fritz Aquatics$15.99$13.59Fritz Complete is a concentrated, one- step, full-spectrum water conditioner that detoxifies chlorine, chloramine, ammonia, nitrite and nitrate. Safe to use in fresh and saltwater, including reef and planted aquariums. Use when setting up new aquaria,... -
On Sale 15%
Reef Plus (250 mL) - Seachem
Seachem$7.61$6.47Reef 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... -
On Sale 15%
Marine ReFresh (4 oz) - Dr Tim's Aquatics
Dr Tim's Aquatics$16.99$14.44Control 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... -
On Sale 15%
Replenish (500 mL) - Seachem
Seachem$5.01$4.26Replenish™ is a proprietary blend of salts designed to replenish physiologically relevant minerals that are removed by reverse osmosis or deionizing filtration. Replenish™ restores General Hardness (GH) using a balanced blend of both... -
Phosphate + (1000 ml) - NYOS
NYOS$14.99Control of nutrients made easy. Only raises the nitrate value No undesirable additives High degree of purity Nyos® NITRATE+ and PHOSPHATE+ allows you to raise nitrate and phosphate levels quickly, easily and safely. The correct nitrate and... -
Calcium (CA) Reefer Test Kit 50 Tests - NYOS Aquatics
NYOS$19.99CALCIUM REEFER NYOS REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is difficult due... -
Coral Nectar - NYOS Aquatics
NYOS$29.99CORAL NECTAR NYOS® CORAL NECTAR is a well-formulated nutrient solution that prevents specifically deficiencies and degeneration or corals and filter-feeders. After some time, a degeneration of numerous corals can occur frequently even in... -
On Sale 15%
Boost pH+ Increaser (2 L) - Brightwell
Brightwell Aquatics$45.99$39.09Boost pH+ High Range pH Increaser, raises pH only without increasing alkalinity or calcium (in tanks already having a proper dKH) High range pH increaser for all marine aquaria, Allows maintaining a pH of 8.3, 8.4 or 8.5 in difficult... -
On Sale 15%
TURBOSTART 700 Freshwater (1 oz) Live Nitrifying Bacteria - Fritz
Fritz Aquatics$13.59$11.55Live product. Keep refrigerated. Do not freeze. Refrigerated life is 4 months with a temperature Range of 34 - 50 degrees F. Use before expiration date on bottom of bottle. Shipping: Live Foods Ship on Select Days & Have a 100% Arrive Alive... -
On Sale 15%
Alkalin8.3 - Liquid pH Buffer & Alkalinity KH -Builder (500 mL) - Brightwell
Brightwell Aquatics$9.20$7.82Concentrated 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%
Kalkwasser Dry Powder Mix (2 kg - 4.4 lbs) - Two Little Fishies
Two Little Fishies$42.58$36.19Calcium Supplement Mix. Our pure source of Calcium Hydroxide makes the ideal solution for replenishing calcium and maintaining alkalinity, for corals, clams, and calcareous algae that build skeletons of calcium carbonate. It also helps maintain pH,... -
On Sale 15%
NeoNitro (4 L) - Brightwell
Brightwell Aquatics$44.99$38.24Balanced Nitrogen Source for Nitrogen-Limited, Low-Nutrient Reef Aquaria Overview Used in conjunction with MICROBACTER7 and REEF BIOFUEL or KATALYST, enablesnatural phosphorus uptake to take place in systems with inadequate nitrogen content,lowering... -
On Sale 15%
Razor Marine System Cleaner, Coral Safe (8 oz - 250 ml) - Brightwell
Brightwell Aquatics$10.13$8.61Unique Marine Systemic System Cleaner designed to target and clean surfaces of live rock, coral decorations and tank walls Overview Complex systemic cleaning polymer product, specifically formulated to clean aquarium live rock surfaces and... -
On Sale 15%
Reef Calcium (2L) - Seachem
Seachem$40.61$34.52Reef 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...