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On Sale 15%
On Sale 15%Pristine (2 L) Bacterial Water Conditioner - Seachem
Seachem$61.00$51.85Pristine™ uses bio-augmentation, a non-chemical and natural method, to improve water quality. It provides bacteria that break down excess food, waste and detritus in freshwater and marine systems. It will also reduce excess nutrients (e.g. ammonia,... -
On Sale 15%
On Sale 15%Fritzguard Water Conditioner (16 oz) - Fritz Aquatics
Fritz Aquatics$10.39$8.83FritzGuard is a safe and effective pH buffered water conditioner that neutralizes toxic chlorine, chloramines and heavy metals found in tap water. FritzGuard promotes healing and reduces fish stress with Aloe Vera, Vitamin E, and provides necessary... -
On Sale 15%
On Sale 15%Neutral Regulator (250g) - Seachem
Seachem$8.00$6.80Neutral Regulator™ adjusts pH to neutral (pH 7.0) from either a low or high pH and maintains it there. It softens water by precipitating calcium and magnesium while removing any chlorine, chloramine, or ammonia. The use of Neutral Regulator™... -
On Sale 15%
On Sale 15%MA9015 Storage Solution for pH/ORP Electrodes (230 ml) - Milwaukee
Milwaukee Instruments$12.00$10.20pH/ORP electrode storage solution. To minimize clogging and ensure fast response time, always keep the glass bulb and the junction of your pH electrode moist. Store the electrode with a few drops of MA9015 storage solution in the protective cap. -
On Sale 20%
On Sale 20%(HI783-11) Marine Magnesium Certified Calibration Standard Kit
Hanna Instruments$24.99$19.99The HI783-11 Marine Magnesium Certified Standard Kit is used to validate the performance of the HI783 Marine Magnesium Checker HC. The kit includes one sealed cuvette with a zero-magnesium value and one cuvette that is tinted to a standard magnesium... -
On Sale 15%
On Sale 15%Strontium (Sr) Test Kit - Salifert
Salifert$33.18$28.20Trust your aquarium to Salifert. This test kit will measure ionically free strontium and complex, important for the accelerated growth of corals. Salifert test kits are the epitome of accuracy and precision. The sharp, contrasting color... -
Reef BluePrint Isol8:B - Boron (355g) - Captiv8 Aquaculture
Captiv8 Aquaculture$15.99Parameter Boron Value 100,000 ppm Characteristics Regular application intensifies red pigmentation and improves pH stability. Active Components: Potassium tetraborate, hydrated, USP. Basic... -
On Sale 15%
On Sale 15%Nitrate (NO3) Test Kit - Elos
ELOS$25.99$22.09Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another naturally occurring bacteria (Nitrobacter spp.)... -
On Sale 15%
On Sale 15%Reef Calcium (500 mL) - Seachem
Seachem$11.33$9.63Reef 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:K - Potassium (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$12.99Parameter Potassium Value 100,000 ppm Characteristics Regular application intensifies green, blue, orange, and red pigmentation. Active Components: Potassium chloride, anhydrous, USP. Basic... -
On Sale 15%
On Sale 15%NO2-NO3 Nitrate/Nitrite Test Professional - Tropic Marin
Tropic Marin$32.73$27.82Nitrate ions (NO3–) are formed from ammonium (NH4+) as the end product of the nitrification process. Nitrite (NO2–), which is highly toxic to freshwater species in particular, is produced in the first stage of the bacterial process. If the... -
On Sale 15%
On Sale 15%Reef Code A Balanced Calcium & Alkalinity System Part A 500 ML - Brightwell Aquatics
Brightwell Aquatics$9.98$8.48Reef Cõde A Sizes 250 ml, 500 ml, 2 L, 20 L Overview • The calcium-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%Reef Advantage Strontium (600 g) - Seachem
Seachem$10.33$8.78Strontium occurs in natural seawater at a concentration of about 8 to 10 mg/L. It is chemically very similar to calcium, and many organisms incorporate it in their skeletons along with calcium. Its addition to reef aquariums aids the growth of corals,... -
On Sale 30%
On Sale 30%HW-Marinemix Reefer Salt Mix 160 Gallons
HW Wiegandt$89.99$62.99Trusted by Professionals, Perfected for Your Reef Aquarium! Synthetic Blend for Superior Reef Health Clean and Dissolves Quickly Proven and Trusted Choice for Over 50 Years Makes approx. 160 Gallons of solution at 1.024 specific gravity Discover... -
On Sale 15%
On Sale 15%Pinpoint pH Controller - American Marine
American Marine$199.95$169.96American Marines PINPOINT pH Controller. PINPOINT pH Controller is an inexpensive yet rugged controller, which includes the appropriate probe and calibration fluids. This device will automate another electrical device such as a calcium reactor or... -
On Sale 15%
On Sale 15%Reef Trace (250 mL) - Seachem
Seachem$7.61$6.47Replenishment of a number of trace elements is required to maintain an environment ideal for the growth and reproduction of marine life, but while the importance of trace elements has been recognized by aquarists for many years, the physiological reasons... -
On Sale 15%
On Sale 15%Reef Advantage Calcium (500g) - Seachem
Seachem$15.46$13.14Reef Advantage Calcium™ is a non-caustic (pH 8.3–8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are essential to all coral growth. If either becomes... -
On Sale 15%
On Sale 15%Fresh Trace (500 mL) - Seachem
Seachem$11.33$9.63Fresh Trace™ supplies a broad range of trace elements demonstrated to be necessary for proper fish health and growth. Unlike terrestrial animals, fish obtain nutrients from both their food and environment. Trace elements are normally depleted by... -
Reef BluePrint Isol8:Co - Cobalt (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$11.99Parameter Cobalt Value 1,000 ppm Characteristics Provides cobalt, required by photoautotrophs (including zooxanthellae) for critical cellular functions, including: photosynthesis; production of pigments, vitamins,... -
On Sale 15%
On Sale 15%Safe Dry Water Conditioner (1 KG) - SeaChem
Seachem$37.52$31.89Safe™ 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%PH Alert (6 Month) - SeaChem
Seachem$8.10$6.89pH Alert Product Description pH Alert is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly to alert you shifts to in pH levels between 5.8 and 8.2. No tests, no strips,... -
On Sale 15%
On Sale 15%Active Elements (250 ml) - NYOS Aquatics
NYOS$19.99$16.99ACTIVE ELEMENTS NYOS® ACTIVE ELEMENTS strengthen the red, violet, and green hues of your corals. Contains iron, potassium, cobalt, manganese, zinc, nickel, chrome, among other things 5ml per 100l per week. Start with around 50% of the... -
On Sale 15%
On Sale 15%Active Iodine (250 ml) - NYOS Aquatics
NYOS$19.99$16.99ACTIVE IODINE NYOS® ACTIVE IODINE particularly emphasizes the blue hue of your corals and aids the moulting of prawns and crustaceans. Contains iodine, fluorine, potassium, boron, molybdenum, among other things Ideal iodine supply for mixed... -
Reef BluePrint Isol8:Sr - Strontium (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$21.99Parameter Strontium Value 100,000 ppm Characteristics Active Components: Strontium chloride, anhydrous, USP Basic Application 1 mL per 26.4 gallons (100 L) increases [Sr] by 1.00 ppm. 5 mL per... -
On Sale 15%
On Sale 15%NeoPhos 5X PRO (500 ml) - Brightwell
Brightwell Aquatics$23.58$20.04Phosphorus supplement for utra-low nutrient reef aquarium systems; 5 times more powerful than NeoPhos. Recommended for advanced reef aquarists for maintaining low nutrient reef aquariums. May be used with MicroBacter7 Reef BioFuel NeoNitro or... -
On Sale 15%
On Sale 15%Reef Builder (600g) - Seachem
Seachem$12.75$10.84Reef Builder™ raises carbonate alkalinity without immediately impacting on pH. With long term use there will be a tendency to stabilize at pH 8.3. Used as directed, Reef Builder™ will not deplete calcium, magnesium, or strontium which usually... -
Reef BluePrint Isol8:Ni - Nickel (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$11.99Parameter Nickel Value 1,000 ppm Characteristics Provides nickel, required by photoautotrophs (including zooxanthellae) for critical cellular functions, including: photosynthesis; pigment production; and nitrogen... -
On Sale 15%
On Sale 15%Fritz RPM Liquid Calcium Elements (16 oz) Part 2 - Fritz
Fritz Aquatics$8.79$7.47It is impossible to maintain a healthy, vibrant marine aquarium without also maintaining the proper levels of calcium and alkalinity. FRITZ RPM CALCIUM/BUFFER SYSTEM allows aquarists to maintain these two critical components in their proper ionic balance... -
On Sale 15%
On Sale 15%One - Mg, KH, Ca Supplement (250 ml) - Polyplab
PolypLab$11.99$10.19What is PolypLab One? PolypLab One is engineered from two forms of acetate and hydroxide salts. When dosed, the calcium magnesium ions are freely available for uptake by corals, clams, and many other reef organisms. The acetate ions are metabolized by... -
On Sale 11%
On Sale 11%(DAMAGED BOX) HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments
Hanna Instruments$63.95$56.99The 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... -
On Sale 30%
On Sale 30%Nickel (Ni) (100 ml) - Triton
Triton$32.00$22.40Nickel trace element seawater supplement. Beneficial for SPS/LPS coral color and health. Caution: to be used by advanced aquarists only. When used in conjunction with TRITON Lab ICP testing aquarists are now able to make targeted single... -
On Sale 15%
On Sale 15%All For Reef (250 ml) - Tropic Marin
Tropic Marin$14.74$12.53ALL-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... -
On Sale 15%
On Sale 15%Reef Advantage Calcium (4KG)- Seachem
Seachem$96.71$82.20Reef Advantage Calcium™ is a non-caustic (pH 8.3–8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are essential to all coral growth. If either becomes... -
On Sale 15%
On Sale 15%MW802 Standard Portable pH/Conductivity/TDS Combination Meter - Milwaukee Instruments
Milwaukee Instruments$185.00$157.253 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe! The MW802, with a conductivity range that goes up to 6.00 mS/cm and the TDS up to 4000 ppm is ideal for testing in crop... -
On Sale 15%
On Sale 15%Liquid Phosban-L (1 Gallon) - Two Little Fishies
Two Little Fishies$95.99$81.59Got a little phosphate problem? You can solve that in a hurry with PhosBan GFO granular ferric oxyhydroxide. But if your phosphate problem is more than 0.5 ppm you can use our new little solution, PhosBan-L, a highly concentrated liquid containing... -
On Sale 15%
On Sale 15%Pure Iodine (50 ml) - NYOS Aquatics
NYOS$19.99$16.99NYOS® ACTIVE IODINE particularly emphasizes the blue hue of your corals Boost to your coral´s colour Very easily available Developed in long term studies Contains the purest raw materials Prevents deficiency symptoms Technical... -
Red Sea Salt 175 Gallon Blue Large Bucket w/Free ReefView Glasses - Red Sea
Red Sea$94.99Black Friday Promo - Includes a Free Pair of ReefView Glasses (a $9.95 Value) Red Sea Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral... -
On Sale 20%
On Sale 20%Copper High Range Checker® HC Calibration Check Set HI702-11 - Hanna Instruments
Hanna Instruments$29.99$23.99The Copper High Range Checker® HC Calibration Check Set - HI702-11 provides a simple solution to validating the Copper High Range Checker® HC - HI702. This high-quality set of standards is manufactured in our state-of-the-art facility and... -
On Sale 15%
On Sale 15%Strontion - Liquid Strontium Supplement (500 mL) - Brightwell
Brightwell Aquatics$14.26$12.12Strontium 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%
On Sale 15%ACIDS Amino Acid Blend (50 ml) - Polyplab
PolypLab$29.00$24.65The role of amino acids becomes critical in a low nutrient environment. Acids are blended with specific amino acids that our research has shown to improve coral growth and coloration. Those that inhibit coral growth have been excluded from this highly...