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K+ Elements Pro Coral Trace 1 (200 ml) - Tropic Marin
Tropic Marin$13.32Tropic Marin® K+ Elements contains a selection of essential cationic trace elements for the promotion of growth and the natural coloring of the corals. Trace elements are natural minerals which are needed by all aquarium inhabitants to... -
Hanna Algae Control Kit (713 Phosphate, 781 Nitrate) Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$135.98713 Checker The HI713 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure phosphate. Phosphate is a common food additive that enhances flavor and acts as a buffering agent. Important for growth and... -
Reef BluePrint Isol8:Sr - Strontium (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$11.99Parameter 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... -
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... -
4-Part RCP Complete Reef Care Dosing System - Medium (300L - 80 Gal) - Red Sea
Red Sea$109.95Meet 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... -
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... -
On Sale 15%
Reef Carbonate (500 mL) - Seachem
Seachem$7.59$6.45Reef Carbonate™ is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are essential to all coral growth. If either becomes... -
Digital Refractometer for Seawater Analysis (HI96822) - Hanna Instruments
Hanna Instruments$249.99The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per... -
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... -
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... -
Reef BluePrint Isol8:K - Potassium (1006 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$22.99Parameter Potassium Value 100,000 ppm Characteristics Regular application intensifies green, blue, orange, and red pigmentation. Active Components: Potassium chloride, anhydrous, USP. Basic... -
Reef BluePrint Isol8:Fe - Iron (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$11.99Parameter Iron Value 10,000 ppm Characteristics Increases iron, arguably the most important trace element to photoautotrophs (including zooxanthellae), in recirculating seawater systems, particularly critical in those... -
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... -
A- Elements Pro Coral Trace 2 (200 ml) - Tropic Marin
Tropic Marin$13.32Tropic Marin® A- Elements contains a selection of essential anionic trace elements for the promotion of growth and the natural coloring of the corals. Trace elements are natural minerals which are needed by all aquarium inhabitants to maintain... -
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 20%
Pharma Kalkwasser (Calcium Hydroxide) 4 lbs - Bulk Reef Supply
Bulk Reef Supply$33.99$27.19Ultra-pure Kalkwasser for Reef Tanks! BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contains extremely low amounts of aluminum and compared to traditional kalkwasser you can actually see the... -
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%
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%
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... -
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... -
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%
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... -
(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%
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... -
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 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... -
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... -
pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments
Hanna Instruments$49.99HI70010P 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... -
6 Pack Triton ICP-OES Water Test w/Prepaid Shipping Label - Triton Labs
Triton$270.00Now 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 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... -
HI7010L 10.01 pH Calibration Buffer Solution (500 ml) Bottle - Hanna Instruments
Hanna Instruments$19.99HI7010/1L 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%
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%
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%
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%
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 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%
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%
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%
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%
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...