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Kalkwasser Powder Calcium Hydroxide (14 oz, 400 grams) - ESV
ESV$14.99Maintain a thriving reef ecosystem with the purity of ESV Kalkwasser. A cornerstone of marine aquarium care for decades, Calcium Hydroxide is a proven, economical method for maintaining both calcium... -
Reef BluePrint Isol8:Br - Bromide (355mL, 12 oz) - Captiv8 Aquaculture
Captiv8 Aquaculture$63.24Parameter -
Razor Marine System Cleaner, Coral Safe (2L) - Brightwell
Brightwell Aquatics$72.84Unique 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... -
PhytoGreen-M (250 ml) - Brightwell
Brightwell Aquatics$13.1310 - 15µm Phytoplankton Suspension for Soft Corals, Clams, Sponges, and Other Filter-Feeders Overview Provides phytoplankton ranging in size from 10 - 15µm. Ideally-sized for many soft corals,... -
Magnesion-P - Powder Magnesium Supplement (200g) - Brightwell
Brightwell Aquatics$15.86Magnesium Supplement for All Marine Fish & Reef Aquaria Overview High-purity, anhydrous powdered magnesium blend. Provides magnesium, which helps regulate the balance between calcium and... -
Liquid Reef (500mL) - Brightwell
Brightwell Aquatics$26.28Concentrated Reef Builder for Coralline Algae, Corals, Clams & other Marine Invertebrates Overview Complete source of the elements and molecules that are directly used by corals, clams, and... -
Iodion (2L) - Brightwell
Brightwell Aquatics$53.01Advanced Iodide Supplement for all Marine Fish & Reef Aquaria Overview Highly-concentrated, extended activity iodide solution. Provides iodide, which is important to hermatypic -
REEF SHOT - Coralline Booster (24 Shots, 16 oz) - ASF
ASF$14.50Coralline Booster Reef Shot is a solution of substances intended to promote the synthesis of calcium in corals and algae. It prevents bleaching and assists the formation of a solid, homogenous... -
Nitrite Test Kit (100 Tests) - ASF
ASF$14.09Nitrite test kit for both freshwater and marine aquariums. About 100 tests, measures up to 1 mg/L Easy to use, high quality, European-made. -
Phosphorus (P) Beta (100 ml) - Triton
Triton$32.00Organic/Inorganic Phosphorus Compounds for Reef Aquariums Helps creating Nutrient levels according to TRITON RATIO -
Marine Clear-Up (32 oz) 1,920 Gallons - Dr Tim's Aquatics
Dr Tim's Aquatics$55.19CLEAR-UP NATURAL WATER CLARIFIER -- H2O-PURE Choose the size best suited for your system:2 oz bottle treats 120 gallons (454 liters)4oz bottle treats 240 gallons (908 liters)8 oz bottle treats 480... -
AQUASPIN Freshwater Disks (case of 50 tests) - API
API$349.99Testing freshwater aquarium water in minutes, the API AQUASPIN Freshwater Disk is used in the AQUASPIN photometer and is ideal for testing freshwater aquarium or pond water parameters. The sealed... -
UltraPlanktos-P (500mL) - Brightwell
Brightwell Aquatics$23.87Wide range (1-50 µm) fortified phytoplankton suspension for corals, clams, sponges, and other filter-feeding invertebrates in tropical marine aquariums. Boosted with free-form essential amino... -
Reef Iron (250 mL - 8 oz) - Seachem
Seachem$11.99Iron is an essential element required in metabolic processes, protein synthesis, and growth of corals and macroalgae. Iron supplementation can enhance coral and macroalgae growth and color –... -
Pro-Tect (1000 ml) - Tropic Marin
Tropic Marin$45.99Tropic Marin® Pro-Tect improves the quality of the water – especially in fish aquariums – through a combination of highly efficient active ingredients. The welfare of the animals is improved.The... -
REEF SHOT - Reef Bacteria Food (24 Shots, 16 oz) - ASF
ASF$18.50Most corals slowly lose their brilliant colours because they are not getting all the nutrients they need. This is because corals are filter feeders and normally ingest lots of bacteria, were they get... -
ECO Fish Solution (8 oz.) - EcoSystem Aquarium
EcoSystems Aquarium$17.99• Adds vitamins and minerals to marine systems • Intensifies color and increases appetite in fish • Helps reverse HLLE Description: Fish Solution™ is the ideal, all natural, -
Nitrogen (NH) Alpha (100 ml) - Triton
Triton$32.00Organic/Inorganic Nitrogen Compounds for Reef Aquariums Accelerate Bioavailability of trace element Supplements Helps creating Nutrient levels according to TRITON RATIO Dose as Recommended by... -
DI Deionizing Resin (1000 ml) - Triton
Triton$38.00Deionizing resin, for creating a very pure deionized water. TRITON Treatments have been developed to fix specific problems commonly faced by aquarists. Unlike many products on the market TRITON... -
Bromine (Br) (1000 ml) - Triton
Triton$45.00Bromine macro element seawater supplement. Bromine is an important element that naturally occurs in seawater. Beneficial for SPS/LPS coral color and health. Caution: to be used by advanced aquarists... -
Reef Pack: Fundamentals (3 x 100 ml) - Reef Complete, Carbonate, Reef Plus - Seachem
Seachem$15.01The Fundamentals Pack combines those products essential for any reef (Reef Complete®, Reef Carbonate™, and Reef Plus™). Reef Complete® is a concentrated (160,000 mg/L) optimized blend of ionic... -
Combo pH/Conductivity/TDS Tester -High Range (HI98130) - Hanna Instruments
Hanna Instruments$224.99Hanna Instruments HI98130 Combo pH/EC/TDS/Temperature Tester (High Range) Streamline your water analysis with the Hanna Instruments HI98130, a high-precision, 4-in-1 pocket tester designed for... -
REEF SHOT - Probiotics (24 Shots, 16 oz) - ASF
ASF$20.50The normal processes in an aquarium cause the system to become unbalanced, allowing unfriendly bacteria and algae to dominate and negatively impact water quality. Probiotics Reef Shot will maintain a... -
Phosphate Test Kit (40 Tests) - ASF
ASF$23.99This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. These kits include an easy to read... -
Magnesium (Mg) (5000 ml) - Triton
Triton$165.00Magnesium macro element seawater supplement. Magnesium is an important element that naturally occurs in seawater. Essential for calcification of SPS/LPS coral skeleton. When used in conjunction... -
Syn-Biotic Sea Salt Box (160 Gallon) - Tropic Marin
Tropic Marin$111.99Tropic Marin Syn-Biotic Sea Salt Mix Pharmaceutically Pure Sea Salt with Probiotic Bacteria & Prebiotic Nutrition Tropic Marin Syn-Biotic Sea Salt combines high-purity synthetic sea sal -
Phosi-EX (1000 ml) Phosphate Removing Filter Media - NYOS
NYOS$54.99Take control of your water quality and stop nuisance algae in its tracks with Nyos Phosi-Ex. This professional-grade, high-performance filter media is a moist, iron-b -
Reef Code B Balanced Calcium & Alkalinity System Part B (250mL) - Brightwell Aquatics
Brightwell Aquatics$8.64Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The carbonate-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely... -
On Sale 15%
On Sale 15%Bulk Pharma Sodium Bicarbonate - (35 lbs) - Bulk Reef Supply
Bulk Reef Supply$199.99$169.99Ideal for large changes in alkalinity levels or daily dosing in aquariums with high pH. Bulk Pharma Sodium Bicarbonate - Ultra-pure Alkalinity Additive for your Reef Tank! Bulk Reef Supply... -
REEF SHOT - Reef Elements (24 Shots, 16 oz) - ASF
ASF$25.50Reef Elements Reef Shot is a biological stimulant designed to promote growth and health of your reef aquarium. It contains essential trace elements in special compounds easily absorbed by marine... -
Hardness (GH) Test Kit (40 Tests) - ASF
ASF$19.69This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. Each kit includes a micro-syringe to... -
On Sale 15%
On Sale 15%Pharma Soda Ash 5 Gallon Mix (Single Use) - Bulk Reef Supply
Bulk Reef Supply$179.99$152.99Ultra-pure Grade Soda Ash for 2-part dosing in your reef tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and alkalinity coral consumes when it... -
Reef Booster (30 Vials) Coral & Live Rock Nutrition - Prodibio
Prodibio$49.99Complete coral & live rock nutrition with amino acids & omega-3s. For saltwater systems only. Reef Booster was developed in partnership with aquaculture experts, based on high-performance products... -
Reduce DOC (16 oz) - Microbial Marine
Microbial Marine$34.99Granular Activated Carbon + Macroporous Resin Concept: MICROBIAL MARINE REDUCE DOC/ORGANICS is a blend of specialty coconut-based, low-dust, steam-activated carbon (GAC) and macroporous adsorption... -
Kalkwasser Powder Calcium Hydroxide 5 Gallon Bucket (22 lbs, 10 kg) - ESV
ESV$149.99Maintain a thriving reef ecosystem with the purity of ESV Kalkwasser. A cornerstone of marine aquarium care for decades, Calcium Hydroxide is a proven, economical method for maintaining both calcium... -
AccuraSea Natural Seawater 4.4 Gallon Premade Perfect Saltwater - Two Little Fishies
Two Little Fishies$49.99AccuraSea Natural Seawater (4.4 Gallon) The Original Formula, Straight from the Source. Take the guesswork out of reef keeping with AccuraSea Natural Seawater, the purest solution for your -
PhytoGreen-S (250 ml) - Brightwell
Brightwell Aquatics$13.131 - 2µm Phytoplankton Suspension for Soft Corals, Clams, Sponges, and Other Filter-Feeders Overview Provides phytoplankton ranging in size from 1 - 2µm. Ideally-sized for many soft corals,... -
REEF SHOT - Iodide (24 Shots, 16 oz) - ASF
ASF$15.50Soft corals are particularly sensitive to iodide depletion and will exhibit declining growth and eventual death if iodide is not replenished. Potassium Iodide Reef Shot safely replaces important... -
Reef BluePrint Isol8:Cu - Copper (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$39.75SpecificationsCopper 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 -
Reduce DOC (8 oz) - Microbial Marine
Microbial Marine$24.99Granular Activated Carbon + Macroporous Resin Concept: MICROBIAL MARINE REDUCE DOC/ORGANICS is a blend of specialty coconut-based, low-dust, steam-activated carbon (GAC) and macroporous adsorption...

