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On Sale 15%
On Sale 15%Bio-Magnesium Supplement Powder (16 oz) - Tropic Marin
Tropic Marin$17.72$15.06Besides calcium and strontium, some coral and coralline red algae also store magnesium in their skeleton. It is biochemically directly involved in the photosynthesis of algae, i.e. the conversion of carbon dioxide and light into organic compounds... -
On Sale 20%
On Sale 20%HI7010L 10.01 pH Calibration Buffer Solution (500 ml) Bottle - Hanna Instruments
Hanna Instruments$19.99$15.99HI7010/1L is a premium quality pH 10.01 calibration solution that has been dyed violet for easy buffer identification. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof... -
On Sale 15%
On Sale 15%C-Balance 2 Part Supplement (64 oz Set) 2x - 32oz Bottles - Two Little Fishies
Two Little Fishies$26.63$22.64C-Balance® - Two Part Balanced Ionic Supplement of Calcium and Buffer for Marine Aquariums Manufactured by Two Little Fishies This two-part calcium and alkalinity maintenance system adjusts calcium, magnesium, and strontium ions to natural... -
On Sale 15%
On Sale 15%Cyo-Control (500 ml) - Tropic Marin
Tropic Marin$39.99$33.99Tropic Marin® Cyo-Control naturally blocks the recurrence of cyanobacteria in the aquarium. After the cyanobacteria have been removed manually, the probiotic bacteria of Tropic Marin® Cyo-Control settle in their place. Once these... -
Reef BluePrint Isol8:Zn - Zinc (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$11.99Parameter Zinc Value 1,000 ppm Characteristics Provides zinc, required by photoautotrophs (including zooxanthellae) for critical cellular functions, including: photosynthesis; pigment production; DNA transcription;... -
On Sale 20%
On Sale 20%HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments
Hanna Instruments$67.99$54.39The 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... -
On Sale 15%
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%
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%
On Sale 15%DeChlor (1 gal) Chlorine Remover - Weco
Weco$39.99$33.99Weco 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,... -
On Sale 15%
On Sale 15%Safe Dry Water Conditioner (4 KG) - SeaChem
Seachem$124.94$106.20Safe™ 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... -
On Sale 15%
On Sale 15%Phos-Feed (300g) - Tropic Marin
Tropic Marin$33.55$28.52Phosphate is one of the nutrients with high consumption and often low availability in the reef aquarium as well as in the unpolluted natural coral reef. Phosphate is essential in numerous growth processes of the skeleton and tissue of the coral.In the... -
On Sale 15%
On Sale 15%MW101 PH Meter - Milwaukee Instruments
Milwaukee Instruments$105.00$89.25The Milwaukee MW101 PRO pH meter has won fans around the world with its reliable, fast and simple operation as well as its toughness and accuracy. The MW101 delivers fast results to ±0.02 pH accuracy with two point calibration... -
On Sale 30%
On Sale 30%DETOX Metal Remover (100 ml) - Triton
Triton$35.00$24.50TRITON Detox treatment for removal of excess heavy metals from an aquarium (e.g. Copper and Lead), while causing no damage to inhabitants within the aquarium. Caution: Detox should only be used when heavy metals have been detected through TRITON Lab... -
On Sale 15%
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%
On Sale 15%Master Liquid Test Kit - Fritz Aquatics
Fritz Aquatics$36.74$31.23Perfect 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... -
On Sale 20%
On Sale 20%Components Strong ABCK (4x 75 ml) - Aquaforest
Aquaforest$28.99$23.19Component A StrongComponent contains concentrated strontium and barium. The amount of strontium and barium depends on requirements for magnesium and calcium. 5 ml should be added to 1 litre of ready solution of calcium chloride. Recommended use with... -
On Sale 15%
On Sale 15%Marine Buffer (500 Gm) - Seachem
Seachem$12.75$10.84Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Contains magnesium to alleviate precipitation effects Marine Buffer® will safely raise marine pH to 8.3. It will... -
On Sale 15%
On Sale 15%PINPOINT pH Monitor Complete Package - American Marine
American Marine$109.99$93.49Package includes additional 9-volt to AC Adapter Kit, 3x Additional 7.0 Calibration Fluids and 3x Additional 10.0 Calibration Fluid. The PINPOINT® pH Monitoris in use by thousands of customers worldwide. This affordable unit remains the only... -
On Sale 15%
On Sale 15%Coral Nectar - NYOS Aquatics
NYOS$29.99$25.49CORAL 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%
On Sale 15%TURBOSTART 700 Freshwater (16 oz) Live Nitrifying Bacteria - Fritz
Fritz Aquatics$84.99$72.24Live 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%
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%
On Sale 15%NeoPhos - Balanced Phosphorus Supplement (4 L) - Brightwell
Brightwell Aquatics$44.99$38.24Balanced Phosphorus Source for Phosphorus-Limited, Low-Nutrient Reef Aquaria Used in conjunction with MICROBACTER7 and REEF BIOFUEL or KATALYST, enables natural nitrogen uptake to take place in systems with inadequate phosphorus... -
On Sale 20%
On Sale 20%KH Buffer Dry Supplement (1.2 kg) - Aquaforest
Aquaforest$12.99$10.39An agent for maintaining constant carbonate hardness levels in reef aquariums. An accurate level of carbonate hardness is essential for stabilizing pH levels. A sudden drop of carbonate concentrations in the tank may entirely stop the nitrification... -
On Sale 15%
On Sale 15%Denitrate (1 Liter) - Seachem
Seachem$12.75$10.84denitrate™ 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 15%
On Sale 15%Amino-Organic (250 ml) - Tropic Marin
Tropic Marin$23.80$20.23Stimulates coral growth, intensifies colouring and reduces phosphate in the reef aquarium biologically. Pale or brownish corals are often caused by too weak a concentration of easily digestible nitrogen compounds. Tropic Marin®... -
On Sale 15%
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... -
Reef BluePrint Isol8:Ba - Barium Solution (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$15.99Barium sol'n; 1,000 ppm. Increases barium in recirculating seawater systems. Maintenance of barium concentration within close confines of standardized seawater value (as defined by salinity) supports biogenic aragonite formation and secretion... -
On Sale 15%
On Sale 15%CoralAmino Free Form Amino Acid Supplement (500 ml) - Brightwell
Brightwell Aquatics$55.24$46.95Free-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... -
On Sale 20%
On Sale 20%ORP/pH/Temperature Tester (HI98121) - Hanna Instruments
Hanna Instruments$239.99$191.99The HI98121 is a waterproof pH, ORP and temperature meter. The housing of this tester has been completely sealed against humidity and is designed to float. Electrode replacement with the stainless steel round connector means there are no pins to bend or... -
On Sale 15%
On Sale 15%Original Balling Set Powder (3 kg) - Tropic Marin
Tropic Marin$45.39$38.58Tropic Marin® Original Balling Components are the three salts used in the Balling method to allow an independent dosage of calcium and carbonates adapted to each individual aquarium. The three part method adds calcium chloride dihydrate (part... -
On Sale 15%
On Sale 15%Vitamarin-M Multivitamin Supplement (250 ML) - Brightwell
Brightwell Aquatics$19.32$16.42Overview Full-spectrum vitamin supplement formulated to benefit marine fishes, corals and otherinvertebrates, and other marine aquarium inhabitants. Provides a full-complement of vitamins in the same ratios found in the tissues offilter-feeding... -
On Sale 15%
On Sale 15%Denitrate (500 mL) - Seachem
Seachem$7.07$6.01denitrate™ 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 15%
On Sale 15%Clear FX REEF (450 ml) - Blue Life USA
Blue Life USA$45.50$38.68Clear Fx Reef is an advanced comprehensive filter media for Reef Aquariums which can be used to ensure the health, clarity, and stability of your reef aquarium. This specialized reef filtration media uses cutting edge technology that specifically targets... -
On Sale 15%
On Sale 15%Calcium (CA) Reefer Test Kit 50 Tests - NYOS Aquatics
NYOS$19.99$16.99CALCIUM 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... -
On Sale 15%
On Sale 15%Original Balling Set Liquid (3 x 1000 mL) - Tropic Marin
Tropic Marin$32.42$27.56The Tropic Marin® Original Balling Liquid Set consists of three solutions A, B and C according to the well-known Balling method and can be used immediately - manually or by dosing pump. The three part method adds calcium chloride dihydrate... -
Reef BluePrint Isol8:Mg - Magnesium (1006 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$14.99Parameter Magnesium Value 100,000 ppm Characteristics Active Components: Magnesium chloride, anhydrous, FCC. Basic Application 1 mL per 26.4 gallons (100 L) increases [Mg] by 1.00 ppm. 5 mL... -
Reef BluePrint Isol8:Cu - Copper (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$12.99SpecificationsCopper 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... -
On Sale 15%
On Sale 15%Reef Code B Balanced Calcium & Alkalinity System Part B 500 ML - Brightwell Aquatics
Brightwell Aquatics$9.98$8.48Reef Cõde B Sizes 250 ml, 500 ml, 2 L, 20 L Overview • The carbonate-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in... -
On Sale 15%
On Sale 15%Sea Salt Mix Bag (Makes 50 Gallons) - Instant Ocean
All Misc Brands$34.99$29.74Instant 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 20%
On Sale 20%Hanna Master Reef PRO Kit (772 Alk, 758 Calcium, 783 Magnesium, 781 LR Nitrate, 782 HR Nitrate, 713 Phosphate, 774 ULR Phosphate) Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$475.93$380.74772 CheckerThe HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides...