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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%
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%
Calcion - Liquid Calcium Supplement (2L) - Brightwell
Brightwell Aquatics$40.64$34.54Concentrated 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... -
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 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... -
ReefDose Tube Tip Set (4 pack) - Red Sea
Red Sea$5.99The ReefDose Tube Tips allow for quick and easy connection of your dosing tubing to the ReefDose Holder. They provide a clean and precisely sized dosing tips for extremely accurate dosing of reef additives. What’s Included? 4x ReefDose Tube... -
HI7010L 10.01 pH Calibration Buffer Solution (500 ml) Bottle - Hanna Instruments
Hanna Instruments$15.00HI7010/1L 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%
Alkalin8.3 - Liquid pH Buffer & Alkalinity KH -Builder (4L) - Brightwell
Brightwell Aquatics$49.20$41.82Concentrated 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... -
Active Elements (250 ml) - NYOS Aquatics
NYOS$19.99ACTIVE 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%
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%
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... -
5-IN-1 Test Strips (100 CT) pH, N03, N02, KH, GH - API
API$24.98API® 5-in-1 Aquarium Test Strips are the quick and easy way to test the 5 most important water parameters – pH, KH, GH, nitrate, and nitrite – in one easy step. Simply dip one test strip directly into the aquarium, and compare the colors... -
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%
MicroBacter Dry Rock Bacteria Starter Kit - Brightwell
Brightwell Aquatics$33.29$28.30This kit contains Quickcycl 60mL, MicroBacter Start XLM 125mL, and MicroBacter Clean 500mL. You will use them in that order. Please read each label. This kit contains live bacteria. Do not use other bacteria simultaneously. It is recommended the you NOT... -
Iodine (I) (100 ml) - Triton
Triton$32.00Iodine trace element seawater supplement. Beneficial for metabolic processes in reef aquaria. Promotes health of macro-algae and SPS coral. When used in conjunction with TRITON Lab ICP testing aquarists are now able to make targeted single element... -
On Sale 15%
Reef Advantage Magnesium (600 gm) - Seachem
Seachem$10.33$8.78Severely depleted levels of magnesium (below 800 mg/L) can cause depressed pH levels and an inability to maintain proper magnesium levels. The most frequent causes of magnesium deficiency are use of kalkwasser, frequent overdosing of a carbonate... -
Reef BluePrint Isol8:V - Vanadium (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$11.99Parameter Vanadium Value 1,000 ppm Characteristics Required by photoautotrophs (including zooxanthellae) for photosynthesis and nitrogen assimilation (nitrate reduction, nitrogen fixation) See 'Application'... -
On Sale 15%
NeoPhos - Balanced Phosphorus Supplement (2 L) - Brightwell
Brightwell Aquatics$25.51$21.68Balanced 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 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... -
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™... -
DETOX Metal Remover (100 ml) - Triton
Triton$35.00TRITON 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... -
Components Strong ABCK (4x 75 ml) - Aquaforest
Aquaforest$28.99Component 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%
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 15%
pH or ORP/REDOX Probe Storage Solution - American Marine
American Marine$13.95$11.86This is the perfect fluid for the storage of any pH or ORP/REDOX Electrode. American Marine Probe Storage Fluid will keep the tip properly moist and extend the life of your probe during storage (60 mL). -
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%
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... -
Reef BluePrint Isol8:Ca(OH)2 - Kalkwasser (5.0 kg) - Captiv8 Aquaculture
Captiv8 Aquaculture$68.84Calcium Hydroxide | "Kalkwasser" Characteristics Provides calcium. Increases pH. Kalkwasser application is an integral part of an effective pH-management and coral growth regimen in dedicated coral culture systems... -
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 Remedi8 (25g) - Captiv8 Aquaculture
Captiv8 Aquaculture$14.99Characteristics 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... -
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%
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... -
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%
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%
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. -
(HI783-11) Marine Magnesium Certified Calibration Standard Kit
Hanna Instruments$17.00The 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%
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... -
Active Iodine (250 ml) - NYOS Aquatics
NYOS$19.99ACTIVE 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... -
On Sale 15%
Fritz RPM Liquid Alkalinity Elements (32 oz) Part 1 - Fritz
Fritz Aquatics$11.43$9.72It 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%
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 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...