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On Sale 12%
Foundation Skeletal Elements ABC+ (1 KG) - Red Sea
Red Sea$31.99$28.15Red Sea’s Reef Foundation ABC+ is a uniquely formulated powder supplement containing all of the elements of Foundation A, B & C, plus Red Sea’s Coral Colors A & B (potassium, boron, iodine & bromine) formulated in the exact ratio... -
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%
Phosphate (PO4) Reefer Test Kit 50 Tests - NYOS Aquatics
NYOS$24.99$21.24PHOSPHATE 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... -
On Sale 20%
HI70031P 1413 20 ml (25 Pack) - Hanna Instruments
Hanna Instruments$39.99$31.99Technical SpecificationsMfr #: HI70031PItem: Calibration Solution Container: 20mLType: Electric ConductivityRange: 1413 uS/cm Container: 20mLProduct DescriptionCalibration PacketConcentration 1413 Microsiemens Per... -
On Sale 30%
6 Pack Triton ICP-OES Water Test w/Prepaid Shipping Label - Triton Labs
Triton$270.00$189.00Now Includes a Prepaid USPS First Class Shipping Label + Testing is Now Done in the USA! The results of this test provide you with the most detailed analysis of marine aquarium water you've ever seen, enabling you to understand exactly what's missing,... -
On Sale 30%
Iodine (I) (100 ml) - Triton
Triton$32.00$22.40Iodine 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 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... -
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%
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 20%
HI717-25 Phosphate High Range Checker Reagents (40 Tests) - Hanna Instruments
Hanna Instruments$17.99$14.39The HI717-25 are the replacement reagents for the HI717 Phosphate High Range Checker® HC. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet... -
Copper Test Kit (90 Tests) - API
API$12.48Copper Test Kit Copper – a treatment for many parasitic infections – must be monitored in an aquarium or a pond. The copper level can drop too low for the treatment to be effective, or can increase to a point that is detrimental to fish... -
On Sale 12%
Calcium Marine Test Kit - Red Sea
Red Sea$26.99$23.75Calcium 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... -
On Sale 15%
CoralAmino Free Form Amino Acid Supplement (250 ml) - Brightwell
Brightwell Aquatics$45.72$38.86Free-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 12%
pH/Alkalinity Marine Test Kit - Red Sea
Red Sea$23.99$21.11Easily 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... -
On Sale 15%
Bio Booster (250 ml) - NYOS Aquatics
NYOS$35.99$30.59NYOS® 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... -
On Sale 15%
A- Elements (500 ml) - Tropic Marin
Tropic Marin$24.25$20.61Tropic Marin® A- Elements contains a selection of essential anionic trace elements for the promotion of growth and the natural colouring of the corals. Trace elements are natural minerals which are needed by all aquarium inhabitants to maintain... -
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%
Magnesium (Mg) Test Kit - Elos
ELOS$25.99$22.09Mg Magnesium Water Analysis for AquariumMagnesium is a major salt in natural seawater. Contrary to its significance this element was ignored for a long time. We know today that Magnesium creates a remarkable improvement in the growth of calcareous algae... -
On Sale 12%
4-Part RCP Complete Reef Care Dosing System - Small (150L - 40 Gal) - Red Sea
Red Sea$69.95$61.56Meet the new 4-part Complete Reef Care, providing hobbyists with more convenience at no extra cost, and ensuring optimal coral growth and vivid colors with only one test per week! Our long-term research has revealed that in most reef systems... -
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... -
On Sale 20%
pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments
Hanna Instruments$49.99$39.99HI70010P 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%
Original Balling Part B - Alkalinity (1 kg) - Tropic Marin
Tropic Marin$12.71$10.80Tropic 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 A)... -
Reef BluePrint Isol8:Br - Bromide (60mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$14.99Parameter Bromide Value 100,000 ppm Characteristics Regular application intensifies pigmentation and improves robustness of cnidarians. Active Components: Potassium bromide, anhydrous, USP. Basic... -
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... -
On Sale 15%
PINPOINT ORP Monitor Complete Package - American Marine
American Marine$134.99$114.74Package includes additional 9-volt to AC Adapter Kit, 3x Additional ORP/REDOX Calibration Fluids PINPOINT® ORP Monitor will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who use ozone gas or... -
Reef BluePrint Isol8:I - Iodine (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$14.99Parameter Iodide Value 100,000 ppm Characteristics Provides iodide (contains no iodine), required for development of chitin (exoskeletal material for shrimp and other crustaceans) and antioxidant activity critical... -
On Sale 15%
Clear FX REEF (225 ml) - Blue Life USA
Blue Life USA$31.04$26.38Clear 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... -
Formul8 Reef 40-Gallon Engineered Sea Salt Mix - Reef Blueprint
Captiv8 Aquaculture$52.99Complete artificial seawater salt blend with an ionic composition formulated for coral growers. Concentrations of Mg, Ca, K, and Sr are linearly increased, while Na is decreased to maintain appropriate salinity value. Enhanced alkalinity. Mixes to a... -
On Sale 15%
(1-10 ml) Adjustable Volume Pipettor Highly Accurate Pipette
Generic$59.99$50.99Fully 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 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... -
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%
K+ Elements (500 ml) - Tropic Marin
Tropic Marin$24.25$20.61Tropic Marin® K+ Elements contains a selection of essential cationic trace elements for the promotion of growth and the natural colouring of the corals. Trace elements are natural minerals which are needed by all aquarium inhabitants to... -
On Sale 20%
(HI98304) DiST4 Waterproof Electrolytic Conductivity (EC) Tester - Hanna Instruments
Hanna Instruments$79.99$63.99The DiST® 4 features a large multi-level LCD which displays both conductivity and temperature readings simultaneously. The EC readings are displayed with a 0.01 mS/cm resolution and with an accuracy of ±2% full scale. The EC range of the... -
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%
Vitamarin-M Multivitamin Supplement (500 ML) - Brightwell
Brightwell Aquatics$32.65$27.75Overview 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%
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... -
On Sale 15%
NeoNitro 5X PRO (500 mL) - Brightwell
Brightwell Aquatics$23.58$20.04Professional strength Nitrogen source; 5 times as powerful of NeoNitro Lowers phosphate concentration without the use of chemical filtration media and pollution May be used with MicroBacter7, Reef BioFuel, NeoPhos, or Katalyst to improve health and... -
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,... -
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%
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...